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Finding the Fourth Proportional to 426,348.91, 588,363.38 and 235,363.87

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Solution

The fourth proportional to 426,348.91, 588,363.38 and 235,363.87 is: 324,803.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,348.91 : 588,363.38 = 235,363.87 : x
  2. Step 2: Convert to fraction form
    426,348.91/588,363.38 = 235,363.87/x
  3. Step 3: Cross multiply
    426,348.91x = 588,363.38 × 235,363.87
  4. Step 4: Simplify right side
    426,348.91x = 138,479,480,906.26
  5. Step 5: Solve for x
    x = 138,479,480,906.26/426,348.91
  6. Step 6: Final answer
    x = 324,803.18

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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.