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Finding the Fourth Proportional to 376,403.60, 564,175.92 and 151,620.20

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Solution

The fourth proportional to 376,403.60, 564,175.92 and 151,620.20 is: 227,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,403.60 : 564,175.92 = 151,620.20 : x
  2. Step 2: Convert to fraction form
    376,403.60/564,175.92 = 151,620.20/x
  3. Step 3: Cross multiply
    376,403.60x = 564,175.92 × 151,620.20
  4. Step 4: Simplify right side
    376,403.60x = 85,540,465,825.58
  5. Step 5: Solve for x
    x = 85,540,465,825.58/376,403.60
  6. Step 6: Final answer
    x = 227,257.30

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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.