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Finding the Fourth Proportional to 539,650.25, 744,718.45 and 297,933.29

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Solution

The fourth proportional to 539,650.25, 744,718.45 and 297,933.29 is: 411,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,650.25 : 744,718.45 = 297,933.29 : x
  2. Step 2: Convert to fraction form
    539,650.25/744,718.45 = 297,933.29/x
  3. Step 3: Cross multiply
    539,650.25x = 744,718.45 × 297,933.29
  4. Step 4: Simplify right side
    539,650.25x = 221,876,413,463.78
  5. Step 5: Solve for x
    x = 221,876,413,463.78/539,650.25
  6. Step 6: Final answer
    x = 411,148.55

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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.