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Finding the Fourth Proportional to 331,776.31, 457,851.54 and 180,873.31

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Solution

The fourth proportional to 331,776.31, 457,851.54 and 180,873.31 is: 249,605.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776.31 : 457,851.54 = 180,873.31 : x
  2. Step 2: Convert to fraction form
    331,776.31/457,851.54 = 180,873.31/x
  3. Step 3: Cross multiply
    331,776.31x = 457,851.54 × 180,873.31
  4. Step 4: Simplify right side
    331,776.31x = 82,813,123,528.40
  5. Step 5: Solve for x
    x = 82,813,123,528.40/331,776.31
  6. Step 6: Final answer
    x = 249,605.29

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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.