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Finding the Fourth Proportional to 563,000.25, 776,945.82 and 336,645.75

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Solution

The fourth proportional to 563,000.25, 776,945.82 and 336,645.75 is: 464,574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,000.25 : 776,945.82 = 336,645.75 : x
  2. Step 2: Convert to fraction form
    563,000.25/776,945.82 = 336,645.75/x
  3. Step 3: Cross multiply
    563,000.25x = 776,945.82 × 336,645.75
  4. Step 4: Simplify right side
    563,000.25x = 261,555,508,283.27
  5. Step 5: Solve for x
    x = 261,555,508,283.27/563,000.25
  6. Step 6: Final answer
    x = 464,574.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.