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Finding the Fourth Proportional to 353,553.28, 530,251.92 and 104,176.96

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Solution

The fourth proportional to 353,553.28, 530,251.92 and 104,176.96 is: 156,242.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,553.28 : 530,251.92 = 104,176.96 : x
  2. Step 2: Convert to fraction form
    353,553.28/530,251.92 = 104,176.96/x
  3. Step 3: Cross multiply
    353,553.28x = 530,251.92 × 104,176.96
  4. Step 4: Simplify right side
    353,553.28x = 55,240,033,059.76
  5. Step 5: Solve for x
    x = 55,240,033,059.76/353,553.28
  6. Step 6: Final answer
    x = 156,242.46

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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.