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Finding the Fourth Proportional to 534,735.57, 737,935.08 and 308,381.07

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Solution

The fourth proportional to 534,735.57, 737,935.08 and 308,381.07 is: 425,565.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,735.57 : 737,935.08 = 308,381.07 : x
  2. Step 2: Convert to fraction form
    534,735.57/737,935.08 = 308,381.07/x
  3. Step 3: Cross multiply
    534,735.57x = 737,935.08 × 308,381.07
  4. Step 4: Simplify right side
    534,735.57x = 227,565,209,560.94
  5. Step 5: Solve for x
    x = 227,565,209,560.94/534,735.57
  6. Step 6: Final answer
    x = 425,565.87

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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.