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Finding the Fourth Proportional to 534,487.44, 801,754.52 and 155,399.78

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Solution

The fourth proportional to 534,487.44, 801,754.52 and 155,399.78 is: 233,106.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,487.44 : 801,754.52 = 155,399.78 : x
  2. Step 2: Convert to fraction form
    534,487.44/801,754.52 = 155,399.78/x
  3. Step 3: Cross multiply
    534,487.44x = 801,754.52 × 155,399.78
  4. Step 4: Simplify right side
    534,487.44x = 124,592,479,139.53
  5. Step 5: Solve for x
    x = 124,592,479,139.53/534,487.44
  6. Step 6: Final answer
    x = 233,106.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.