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Finding the Fourth Proportional to 426,635.76, 588,753.31 and 233,043.38

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Solution

The fourth proportional to 426,635.76, 588,753.31 and 233,043.38 is: 321,597.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,635.76 : 588,753.31 = 233,043.38 : x
  2. Step 2: Convert to fraction form
    426,635.76/588,753.31 = 233,043.38/x
  3. Step 3: Cross multiply
    426,635.76x = 588,753.31 × 233,043.38
  4. Step 4: Simplify right side
    426,635.76x = 137,205,060,466.99
  5. Step 5: Solve for x
    x = 137,205,060,466.99/426,635.76
  6. Step 6: Final answer
    x = 321,597.66

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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.