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Finding the Fourth Proportional to 534,515.36, 799,909.17 and 437,329.38

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Solution

The fourth proportional to 534,515.36, 799,909.17 and 437,329.38 is: 654,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,515.36 : 799,909.17 = 437,329.38 : x
  2. Step 2: Convert to fraction form
    534,515.36/799,909.17 = 437,329.38/x
  3. Step 3: Cross multiply
    534,515.36x = 799,909.17 × 437,329.38
  4. Step 4: Simplify right side
    534,515.36x = 349,823,780,692.58
  5. Step 5: Solve for x
    x = 349,823,780,692.58/534,515.36
  6. Step 6: Final answer
    x = 654,469.10

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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.