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Finding the Fourth Proportional to 463,144.86, 694,704.33 and 147,620.70

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Solution

The fourth proportional to 463,144.86, 694,704.33 and 147,620.70 is: 221,426.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,144.86 : 694,704.33 = 147,620.70 : x
  2. Step 2: Convert to fraction form
    463,144.86/694,704.33 = 147,620.70/x
  3. Step 3: Cross multiply
    463,144.86x = 694,704.33 × 147,620.70
  4. Step 4: Simplify right side
    463,144.86x = 102,552,739,487.63
  5. Step 5: Solve for x
    x = 102,552,739,487.63/463,144.86
  6. Step 6: Final answer
    x = 221,426.92

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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.