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Finding the Fourth Proportional to 351,564.59, 527,378.04 and 98,847.29

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Solution

The fourth proportional to 351,564.59, 527,378.04 and 98,847.29 is: 148,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,564.59 : 527,378.04 = 98,847.29 : x
  2. Step 2: Convert to fraction form
    351,564.59/527,378.04 = 98,847.29/x
  3. Step 3: Cross multiply
    351,564.59x = 527,378.04 × 98,847.29
  4. Step 4: Simplify right side
    351,564.59x = 52,129,889,565.28
  5. Step 5: Solve for x
    x = 52,129,889,565.28/351,564.59
  6. Step 6: Final answer
    x = 148,279.69

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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.