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Finding the Fourth Proportional to 440,524.44, 660,759.90 and 156,229.08

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Solution

The fourth proportional to 440,524.44, 660,759.90 and 156,229.08 is: 234,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,524.44 : 660,759.90 = 156,229.08 : x
  2. Step 2: Convert to fraction form
    440,524.44/660,759.90 = 156,229.08/x
  3. Step 3: Cross multiply
    440,524.44x = 660,759.90 × 156,229.08
  4. Step 4: Simplify right side
    440,524.44x = 103,229,911,277.89
  5. Step 5: Solve for x
    x = 103,229,911,277.89/440,524.44
  6. Step 6: Final answer
    x = 234,334.13

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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.