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Finding the Fourth Proportional to 534,488.44, 801,756.02 and 155,400.78

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Solution

The fourth proportional to 534,488.44, 801,756.02 and 155,400.78 is: 233,107.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,488.44 : 801,756.02 = 155,400.78 : x
  2. Step 2: Convert to fraction form
    534,488.44/801,756.02 = 155,400.78/x
  3. Step 3: Cross multiply
    534,488.44x = 801,756.02 × 155,400.78
  4. Step 4: Simplify right side
    534,488.44x = 124,593,510,877.70
  5. Step 5: Solve for x
    x = 124,593,510,877.70/534,488.44
  6. Step 6: Final answer
    x = 233,107.96

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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.