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Finding the Fourth Proportional to 331,480.52, 457,446.12 and 180,577.52

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Solution

The fourth proportional to 331,480.52, 457,446.12 and 180,577.52 is: 249,198.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,480.52 : 457,446.12 = 180,577.52 : x
  2. Step 2: Convert to fraction form
    331,480.52/457,446.12 = 180,577.52/x
  3. Step 3: Cross multiply
    331,480.52x = 457,446.12 × 180,577.52
  4. Step 4: Simplify right side
    331,480.52x = 82,604,485,883.22
  5. Step 5: Solve for x
    x = 82,604,485,883.22/331,480.52
  6. Step 6: Final answer
    x = 249,198.61

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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.