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Finding the Fourth Proportional to 363,854.70, 546,766.20 and 320,552.10

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Solution

The fourth proportional to 363,854.70, 546,766.20 and 320,552.10 is: 481,695.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,854.70 : 546,766.20 = 320,552.10 : x
  2. Step 2: Convert to fraction form
    363,854.70/546,766.20 = 320,552.10/x
  3. Step 3: Cross multiply
    363,854.70x = 546,766.20 × 320,552.10
  4. Step 4: Simplify right side
    363,854.70x = 175,267,053,619.02
  5. Step 5: Solve for x
    x = 175,267,053,619.02/363,854.70
  6. Step 6: Final answer
    x = 481,695.18

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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.