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Finding the Fourth Proportional to 347,113.38, 520,131.52 and 240,704.90

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Solution

The fourth proportional to 347,113.38, 520,131.52 and 240,704.90 is: 360,683.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,113.38 : 520,131.52 = 240,704.90 : x
  2. Step 2: Convert to fraction form
    347,113.38/520,131.52 = 240,704.90/x
  3. Step 3: Cross multiply
    347,113.38x = 520,131.52 × 240,704.90
  4. Step 4: Simplify right side
    347,113.38x = 125,198,205,508.45
  5. Step 5: Solve for x
    x = 125,198,205,508.45/347,113.38
  6. Step 6: Final answer
    x = 360,683.89

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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.