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Finding the Fourth Proportional to 440,422.73, 660,683.99 and 395,166.04

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Solution

The fourth proportional to 440,422.73, 660,683.99 and 395,166.04 is: 592,793.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,422.73 : 660,683.99 = 395,166.04 : x
  2. Step 2: Convert to fraction form
    440,422.73/660,683.99 = 395,166.04/x
  3. Step 3: Cross multiply
    440,422.73x = 660,683.99 × 395,166.04
  4. Step 4: Simplify right side
    440,422.73x = 261,079,875,355.91
  5. Step 5: Solve for x
    x = 261,079,875,355.91/440,422.73
  6. Step 6: Final answer
    x = 592,793.83

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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.