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Finding the Fourth Proportional to 363,432.60, 545,732.10 and 245,626.20

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Solution

The fourth proportional to 363,432.60, 545,732.10 and 245,626.20 is: 368,833.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,432.60 : 545,732.10 = 245,626.20 : x
  2. Step 2: Convert to fraction form
    363,432.60/545,732.10 = 245,626.20/x
  3. Step 3: Cross multiply
    363,432.60x = 545,732.10 × 245,626.20
  4. Step 4: Simplify right side
    363,432.60x = 134,046,101,941.02
  5. Step 5: Solve for x
    x = 134,046,101,941.02/363,432.60
  6. Step 6: Final answer
    x = 368,833.46

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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.