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Finding the Fourth Proportional to 331,559.88, 457,552.70 and 180,656.88

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Solution

The fourth proportional to 331,559.88, 457,552.70 and 180,656.88 is: 249,306.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,559.88 : 457,552.70 = 180,656.88 : x
  2. Step 2: Convert to fraction form
    331,559.88/457,552.70 = 180,656.88/x
  3. Step 3: Cross multiply
    331,559.88x = 457,552.70 × 180,656.88
  4. Step 4: Simplify right side
    331,559.88x = 82,660,043,217.58
  5. Step 5: Solve for x
    x = 82,660,043,217.58/331,559.88
  6. Step 6: Final answer
    x = 249,306.53

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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.