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Finding the Fourth Proportional to 426,363.30, 588,365.92 and 235,372.59

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Solution

The fourth proportional to 426,363.30, 588,365.92 and 235,372.59 is: 324,805.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,363.30 : 588,365.92 = 235,372.59 : x
  2. Step 2: Convert to fraction form
    426,363.30/588,365.92 = 235,372.59/x
  3. Step 3: Cross multiply
    426,363.30x = 588,365.92 × 235,372.59
  4. Step 4: Simplify right side
    426,363.30x = 138,485,210,458.13
  5. Step 5: Solve for x
    x = 138,485,210,458.13/426,363.30
  6. Step 6: Final answer
    x = 324,805.65

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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.