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Finding the Fourth Proportional to 534,565.73, 737,700.66 and 319,705.79

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Solution

The fourth proportional to 534,565.73, 737,700.66 and 319,705.79 is: 441,193.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,565.73 : 737,700.66 = 319,705.79 : x
  2. Step 2: Convert to fraction form
    534,565.73/737,700.66 = 319,705.79/x
  3. Step 3: Cross multiply
    534,565.73x = 737,700.66 × 319,705.79
  4. Step 4: Simplify right side
    534,565.73x = 235,847,168,600.32
  5. Step 5: Solve for x
    x = 235,847,168,600.32/534,565.73
  6. Step 6: Final answer
    x = 441,193.96

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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.