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Finding the Fourth Proportional to 424,761.62, 586,159.92 and 231,173.19

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Solution

The fourth proportional to 424,761.62, 586,159.92 and 231,173.19 is: 319,012.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,761.62 : 586,159.92 = 231,173.19 : x
  2. Step 2: Convert to fraction form
    424,761.62/586,159.92 = 231,173.19/x
  3. Step 3: Cross multiply
    424,761.62x = 586,159.92 × 231,173.19
  4. Step 4: Simplify right side
    424,761.62x = 135,504,458,556.55
  5. Step 5: Solve for x
    x = 135,504,458,556.55/424,761.62
  6. Step 6: Final answer
    x = 319,012.96

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Half scale
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Double scale
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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.