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Finding the Fourth Proportional to 749,672.92, 1,033,472.52 and 534,439.32

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Solution

The fourth proportional to 749,672.92, 1,033,472.52 and 534,439.32 is: 736,759.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,672.92 : 1,033,472.52 = 534,439.32 : x
  2. Step 2: Convert to fraction form
    749,672.92/1,033,472.52 = 534,439.32/x
  3. Step 3: Cross multiply
    749,672.92x = 1,033,472.52 × 534,439.32
  4. Step 4: Simplify right side
    749,672.92x = 552,328,346,951.97
  5. Step 5: Solve for x
    x = 552,328,346,951.97/749,672.92
  6. Step 6: Final answer
    x = 736,759.10

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.