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Finding the Fourth Proportional to 440,793.32, 661,197.27 and 191,475.32

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Solution

The fourth proportional to 440,793.32, 661,197.27 and 191,475.32 is: 287,216.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,793.32 : 661,197.27 = 191,475.32 : x
  2. Step 2: Convert to fraction form
    440,793.32/661,197.27 = 191,475.32/x
  3. Step 3: Cross multiply
    440,793.32x = 661,197.27 × 191,475.32
  4. Step 4: Simplify right side
    440,793.32x = 126,602,958,856.38
  5. Step 5: Solve for x
    x = 126,602,958,856.38/440,793.32
  6. Step 6: Final answer
    x = 287,216.15

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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.