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Finding the Fourth Proportional to 426,589.52, 588,691.68 and 235,601.96

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Solution

The fourth proportional to 426,589.52, 588,691.68 and 235,601.96 is: 325,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,589.52 : 588,691.68 = 235,601.96 : x
  2. Step 2: Convert to fraction form
    426,589.52/588,691.68 = 235,601.96/x
  3. Step 3: Cross multiply
    426,589.52x = 588,691.68 × 235,601.96
  4. Step 4: Simplify right side
    426,589.52x = 138,696,913,643.69
  5. Step 5: Solve for x
    x = 138,696,913,643.69/426,589.52
  6. Step 6: Final answer
    x = 325,129.68

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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.