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Finding the Fourth Proportional to 331,773.31, 457,847.40 and 180,870.31

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Solution

The fourth proportional to 331,773.31, 457,847.40 and 180,870.31 is: 249,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,773.31 : 457,847.40 = 180,870.31 : x
  2. Step 2: Convert to fraction form
    331,773.31/457,847.40 = 180,870.31/x
  3. Step 3: Cross multiply
    331,773.31x = 457,847.40 × 180,870.31
  4. Step 4: Simplify right side
    331,773.31x = 82,811,001,170.69
  5. Step 5: Solve for x
    x = 82,811,001,170.69/331,773.31
  6. Step 6: Final answer
    x = 249,601.15

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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.