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Finding the Fourth Proportional to 532,758.75, 799,276.65 and 158,781.75

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Solution

The fourth proportional to 532,758.75, 799,276.65 and 158,781.75 is: 238,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,758.75 : 799,276.65 = 158,781.75 : x
  2. Step 2: Convert to fraction form
    532,758.75/799,276.65 = 158,781.75/x
  3. Step 3: Cross multiply
    532,758.75x = 799,276.65 × 158,781.75
  4. Step 4: Simplify right side
    532,758.75x = 126,910,545,221.14
  5. Step 5: Solve for x
    x = 126,910,545,221.14/532,758.75
  6. Step 6: Final answer
    x = 238,213.91

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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.