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Finding the Fourth Proportional to 358,543.28, 537,819.24 and 109,227.44

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Solution

The fourth proportional to 358,543.28, 537,819.24 and 109,227.44 is: 163,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,543.28 : 537,819.24 = 109,227.44 : x
  2. Step 2: Convert to fraction form
    358,543.28/537,819.24 = 109,227.44/x
  3. Step 3: Cross multiply
    358,543.28x = 537,819.24 × 109,227.44
  4. Step 4: Simplify right side
    358,543.28x = 58,744,618,767.95
  5. Step 5: Solve for x
    x = 58,744,618,767.95/358,543.28
  6. Step 6: Final answer
    x = 163,842.48

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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.