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Finding the Fourth Proportional to 482,963.14, 724,149.32 and 230,320.90

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Solution

The fourth proportional to 482,963.14, 724,149.32 and 230,320.90 is: 345,340.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,963.14 : 724,149.32 = 230,320.90 : x
  2. Step 2: Convert to fraction form
    482,963.14/724,149.32 = 230,320.90/x
  3. Step 3: Cross multiply
    482,963.14x = 724,149.32 × 230,320.90
  4. Step 4: Simplify right side
    482,963.14x = 166,786,723,116.79
  5. Step 5: Solve for x
    x = 166,786,723,116.79/482,963.14
  6. Step 6: Final answer
    x = 345,340.48

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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.