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Finding the Fourth Proportional to 472,854.48, 708,882.60 and 220,004.52

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Solution

The fourth proportional to 472,854.48, 708,882.60 and 220,004.52 is: 329,821.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,854.48 : 708,882.60 = 220,004.52 : x
  2. Step 2: Convert to fraction form
    472,854.48/708,882.60 = 220,004.52/x
  3. Step 3: Cross multiply
    472,854.48x = 708,882.60 × 220,004.52
  4. Step 4: Simplify right side
    472,854.48x = 155,957,376,149.35
  5. Step 5: Solve for x
    x = 155,957,376,149.35/472,854.48
  6. Step 6: Final answer
    x = 329,821.08

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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.