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Finding the Fourth Proportional to 539,562.20, 744,586.85 and 297,838.52

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Solution

The fourth proportional to 539,562.20, 744,586.85 and 297,838.52 is: 411,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,562.20 : 744,586.85 = 297,838.52 : x
  2. Step 2: Convert to fraction form
    539,562.20/744,586.85 = 297,838.52/x
  3. Step 3: Cross multiply
    539,562.20x = 744,586.85 × 297,838.52
  4. Step 4: Simplify right side
    539,562.20x = 221,766,645,415.46
  5. Step 5: Solve for x
    x = 221,766,645,415.46/539,562.20
  6. Step 6: Final answer
    x = 411,012.20

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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.