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Finding the Fourth Proportional to 447,925.60, 672,147.60 and 167,471.20

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Solution

The fourth proportional to 447,925.60, 672,147.60 and 167,471.20 is: 251,303.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,925.60 : 672,147.60 = 167,471.20 : x
  2. Step 2: Convert to fraction form
    447,925.60/672,147.60 = 167,471.20/x
  3. Step 3: Cross multiply
    447,925.60x = 672,147.60 × 167,471.20
  4. Step 4: Simplify right side
    447,925.60x = 112,565,365,149.12
  5. Step 5: Solve for x
    x = 112,565,365,149.12/447,925.60
  6. Step 6: Final answer
    x = 251,303.71

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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.