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Finding the Fourth Proportional to 456,165.92, 629,493.04 and 249,439.12

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Solution

The fourth proportional to 456,165.92, 629,493.04 and 249,439.12 is: 344,217.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,165.92 : 629,493.04 = 249,439.12 : x
  2. Step 2: Convert to fraction form
    456,165.92/629,493.04 = 249,439.12/x
  3. Step 3: Cross multiply
    456,165.92x = 629,493.04 × 249,439.12
  4. Step 4: Simplify right side
    456,165.92x = 157,020,189,943.73
  5. Step 5: Solve for x
    x = 157,020,189,943.73/456,165.92
  6. Step 6: Final answer
    x = 344,217.28

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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.