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Finding the Fourth Proportional to 440,494.98, 660,715.71 and 156,199.56

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Solution

The fourth proportional to 440,494.98, 660,715.71 and 156,199.56 is: 234,289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,494.98 : 660,715.71 = 156,199.56 : x
  2. Step 2: Convert to fraction form
    440,494.98/660,715.71 = 156,199.56/x
  3. Step 3: Cross multiply
    440,494.98x = 660,715.71 × 156,199.56
  4. Step 4: Simplify right side
    440,494.98x = 103,203,503,187.09
  5. Step 5: Solve for x
    x = 103,203,503,187.09/440,494.98
  6. Step 6: Final answer
    x = 234,289.85

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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.