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Finding the Fourth Proportional to 440,191.60, 660,546.60 and 159,737.20

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Solution

The fourth proportional to 440,191.60, 660,546.60 and 159,737.20 is: 239,699.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,191.60 : 660,546.60 = 159,737.20 : x
  2. Step 2: Convert to fraction form
    440,191.60/660,546.60 = 159,737.20/x
  3. Step 3: Cross multiply
    440,191.60x = 660,546.60 × 159,737.20
  4. Step 4: Simplify right side
    440,191.60x = 105,513,864,353.52
  5. Step 5: Solve for x
    x = 105,513,864,353.52/440,191.60
  6. Step 6: Final answer
    x = 239,699.86

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1.5x scale

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.