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Finding the Fourth Proportional to 354,706.35, 532,044.63 and 165,101.55

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Solution

The fourth proportional to 354,706.35, 532,044.63 and 165,101.55 is: 247,645.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,706.35 : 532,044.63 = 165,101.55 : x
  2. Step 2: Convert to fraction form
    354,706.35/532,044.63 = 165,101.55/x
  3. Step 3: Cross multiply
    354,706.35x = 532,044.63 × 165,101.55
  4. Step 4: Simplify right side
    354,706.35x = 87,841,393,082.18
  5. Step 5: Solve for x
    x = 87,841,393,082.18/354,706.35
  6. Step 6: Final answer
    x = 247,645.39

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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.