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Finding the Fourth Proportional to 1,352,569.92, 1,866,523.68 and 748,944.96

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Solution

The fourth proportional to 1,352,569.92, 1,866,523.68 and 748,944.96 is: 1,033,531.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,569.92 : 1,866,523.68 = 748,944.96 : x
  2. Step 2: Convert to fraction form
    1,352,569.92/1,866,523.68 = 748,944.96/x
  3. Step 3: Cross multiply
    1,352,569.92x = 1,866,523.68 × 748,944.96
  4. Step 4: Simplify right side
    1,352,569.92x = 1,397,923,502,856.65
  5. Step 5: Solve for x
    x = 1,397,923,502,856.65/1,352,569.92
  6. Step 6: Final answer
    x = 1,033,531.41

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