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Finding the Fourth Proportional to 539,565.47, 744,600.49 and 297,848.21

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Solution

The fourth proportional to 539,565.47, 744,600.49 and 297,848.21 is: 411,030.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,565.47 : 744,600.49 = 297,848.21 : x
  2. Step 2: Convert to fraction form
    539,565.47/744,600.49 = 297,848.21/x
  3. Step 3: Cross multiply
    539,565.47x = 744,600.49 × 297,848.21
  4. Step 4: Simplify right side
    539,565.47x = 221,777,923,111.62
  5. Step 5: Solve for x
    x = 221,777,923,111.62/539,565.47
  6. Step 6: Final answer
    x = 411,030.61

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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.