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Finding the Fourth Proportional to 353,963.52, 530,634.24 and 132,295.68

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Solution

The fourth proportional to 353,963.52, 530,634.24 and 132,295.68 is: 198,327.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,963.52 : 530,634.24 = 132,295.68 : x
  2. Step 2: Convert to fraction form
    353,963.52/530,634.24 = 132,295.68/x
  3. Step 3: Cross multiply
    353,963.52x = 530,634.24 × 132,295.68
  4. Step 4: Simplify right side
    353,963.52x = 70,200,617,612.08
  5. Step 5: Solve for x
    x = 70,200,617,612.08/353,963.52
  6. Step 6: Final answer
    x = 198,327.27

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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.