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Finding the Fourth Proportional to 426,278.53, 588,264.42 and 235,291.97

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Solution

The fourth proportional to 426,278.53, 588,264.42 and 235,291.97 is: 324,702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,278.53 : 588,264.42 = 235,291.97 : x
  2. Step 2: Convert to fraction form
    426,278.53/588,264.42 = 235,291.97/x
  3. Step 3: Cross multiply
    426,278.53x = 588,264.42 × 235,291.97
  4. Step 4: Simplify right side
    426,278.53x = 138,413,896,615.71
  5. Step 5: Solve for x
    x = 138,413,896,615.71/426,278.53
  6. Step 6: Final answer
    x = 324,702.95

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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.