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Finding the Fourth Proportional to 424,941.59, 586,422.92 and 231,350.63

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Solution

The fourth proportional to 424,941.59, 586,422.92 and 231,350.63 is: 319,265.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,941.59 : 586,422.92 = 231,350.63 : x
  2. Step 2: Convert to fraction form
    424,941.59/586,422.92 = 231,350.63/x
  3. Step 3: Cross multiply
    424,941.59x = 586,422.92 × 231,350.63
  4. Step 4: Simplify right side
    424,941.59x = 135,669,309,056.33
  5. Step 5: Solve for x
    x = 135,669,309,056.33/424,941.59
  6. Step 6: Final answer
    x = 319,265.79

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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.