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Finding the Fourth Proportional to 563,465.22, 845,185.54 and 137,003.32

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Solution

The fourth proportional to 563,465.22, 845,185.54 and 137,003.32 is: 205,501.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,465.22 : 845,185.54 = 137,003.32 : x
  2. Step 2: Convert to fraction form
    563,465.22/845,185.54 = 137,003.32/x
  3. Step 3: Cross multiply
    563,465.22x = 845,185.54 × 137,003.32
  4. Step 4: Simplify right side
    563,465.22x = 115,793,224,995.99
  5. Step 5: Solve for x
    x = 115,793,224,995.99/563,465.22
  6. Step 6: Final answer
    x = 205,501.99

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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.