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Finding the Fourth Proportional to 563,458,346.40, 845,187,519.60 and 563,458,346.40

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Solution

The fourth proportional to 563,458,346.40, 845,187,519.60 and 563,458,346.40 is: 845,187,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,458,346.40 : 845,187,519.60 = 563,458,346.40 : x
  2. Step 2: Convert to fraction form
    563,458,346.40/845,187,519.60 = 563,458,346.40/x
  3. Step 3: Cross multiply
    563,458,346.40x = 845,187,519.60 × 563,458,346.40
  4. Step 4: Simplify right side
    563,458,346.40x = 476,227,962,191,733,568
  5. Step 5: Solve for x
    x = 476,227,962,191,733,568/563,458,346.40
  6. Step 6: Final answer
    x = 845,187,519.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.