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Finding the Fourth Proportional to 219,687.40, 329,531.10 and 182,945.80

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Solution

The fourth proportional to 219,687.40, 329,531.10 and 182,945.80 is: 274,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,687.40 : 329,531.10 = 182,945.80 : x
  2. Step 2: Convert to fraction form
    219,687.40/329,531.10 = 182,945.80/x
  3. Step 3: Cross multiply
    219,687.40x = 329,531.10 × 182,945.80
  4. Step 4: Simplify right side
    219,687.40x = 60,286,330,714.38
  5. Step 5: Solve for x
    x = 60,286,330,714.38/219,687.40
  6. Step 6: Final answer
    x = 274,418.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.