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Finding the Fourth Proportional to 532,692.78, 799,031.07 and 158,715.78

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Solution

The fourth proportional to 532,692.78, 799,031.07 and 158,715.78 is: 238,071.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,692.78 : 799,031.07 = 158,715.78 : x
  2. Step 2: Convert to fraction form
    532,692.78/799,031.07 = 158,715.78/x
  3. Step 3: Cross multiply
    532,692.78x = 799,031.07 × 158,715.78
  4. Step 4: Simplify right side
    532,692.78x = 126,818,839,519.29
  5. Step 5: Solve for x
    x = 126,818,839,519.29/532,692.78
  6. Step 6: Final answer
    x = 238,071.26

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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.