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Finding the Fourth Proportional to 424,704.52, 586,084.65 and 231,105.62

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Solution

The fourth proportional to 424,704.52, 586,084.65 and 231,105.62 is: 318,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,704.52 : 586,084.65 = 231,105.62 : x
  2. Step 2: Convert to fraction form
    424,704.52/586,084.65 = 231,105.62/x
  3. Step 3: Cross multiply
    424,704.52x = 586,084.65 × 231,105.62
  4. Step 4: Simplify right side
    424,704.52x = 135,447,457,298.18
  5. Step 5: Solve for x
    x = 135,447,457,298.18/424,704.52
  6. Step 6: Final answer
    x = 318,921.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.