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Finding the Fourth Proportional to 440,443.92, 660,523.72 and 124,816.08

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Solution

The fourth proportional to 440,443.92, 660,523.72 and 124,816.08 is: 187,183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,443.92 : 660,523.72 = 124,816.08 : x
  2. Step 2: Convert to fraction form
    440,443.92/660,523.72 = 124,816.08/x
  3. Step 3: Cross multiply
    440,443.92x = 660,523.72 × 124,816.08
  4. Step 4: Simplify right side
    440,443.92x = 82,443,981,477.42
  5. Step 5: Solve for x
    x = 82,443,981,477.42/440,443.92
  6. Step 6: Final answer
    x = 187,183.83

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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.