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Finding the Fourth Proportional to 349,294.41, 523,503.30 and 149,379.73

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Solution

The fourth proportional to 349,294.41, 523,503.30 and 149,379.73 is: 223,882.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,294.41 : 523,503.30 = 149,379.73 : x
  2. Step 2: Convert to fraction form
    349,294.41/523,503.30 = 149,379.73/x
  3. Step 3: Cross multiply
    349,294.41x = 523,503.30 × 149,379.73
  4. Step 4: Simplify right side
    349,294.41x = 78,200,780,859.52
  5. Step 5: Solve for x
    x = 78,200,780,859.52/349,294.41
  6. Step 6: Final answer
    x = 223,882.14

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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.