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Finding the Fourth Proportional to 443,882.95, 612,562.94 and 239,937.82

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Solution

The fourth proportional to 443,882.95, 612,562.94 and 239,937.82 is: 331,116.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,882.95 : 612,562.94 = 239,937.82 : x
  2. Step 2: Convert to fraction form
    443,882.95/612,562.94 = 239,937.82/x
  3. Step 3: Cross multiply
    443,882.95x = 612,562.94 × 239,937.82
  4. Step 4: Simplify right side
    443,882.95x = 146,977,016,436.39
  5. Step 5: Solve for x
    x = 146,977,016,436.39/443,882.95
  6. Step 6: Final answer
    x = 331,116.61

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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.