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Finding the Fourth Proportional to 566,753.31, 782,060.00 and 321,660.11

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Solution

The fourth proportional to 566,753.31, 782,060.00 and 321,660.11 is: 443,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,753.31 : 782,060.00 = 321,660.11 : x
  2. Step 2: Convert to fraction form
    566,753.31/782,060.00 = 321,660.11/x
  3. Step 3: Cross multiply
    566,753.31x = 782,060.00 × 321,660.11
  4. Step 4: Simplify right side
    566,753.31x = 251,557,505,973.45
  5. Step 5: Solve for x
    x = 251,557,505,973.45/566,753.31
  6. Step 6: Final answer
    x = 443,857.14

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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.