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Finding the Fourth Proportional to 574,702.43, 862,250.57 and 219,817.94

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Solution

The fourth proportional to 574,702.43, 862,250.57 and 219,817.94 is: 329,802.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,702.43 : 862,250.57 = 219,817.94 : x
  2. Step 2: Convert to fraction form
    574,702.43/862,250.57 = 219,817.94/x
  3. Step 3: Cross multiply
    574,702.43x = 862,250.57 × 219,817.94
  4. Step 4: Simplify right side
    574,702.43x = 189,538,138,650.88
  5. Step 5: Solve for x
    x = 189,538,138,650.88/574,702.43
  6. Step 6: Final answer
    x = 329,802.23

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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.