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Finding the Fourth Proportional to 424,844.60, 586,299.94 and 231,259.37

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Solution

The fourth proportional to 424,844.60, 586,299.94 and 231,259.37 is: 319,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,844.60 : 586,299.94 = 231,259.37 : x
  2. Step 2: Convert to fraction form
    424,844.60/586,299.94 = 231,259.37/x
  3. Step 3: Cross multiply
    424,844.60x = 586,299.94 × 231,259.37
  4. Step 4: Simplify right side
    424,844.60x = 135,587,354,543.73
  5. Step 5: Solve for x
    x = 135,587,354,543.73/424,844.60
  6. Step 6: Final answer
    x = 319,145.76

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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.