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Finding the Fourth Proportional to 800,560.18, 1,200,508.17 and 295,149.88

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Solution

The fourth proportional to 800,560.18, 1,200,508.17 and 295,149.88 is: 442,602.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,560.18 : 1,200,508.17 = 295,149.88 : x
  2. Step 2: Convert to fraction form
    800,560.18/1,200,508.17 = 295,149.88/x
  3. Step 3: Cross multiply
    800,560.18x = 1,200,508.17 × 295,149.88
  4. Step 4: Simplify right side
    800,560.18x = 354,329,842,314.52
  5. Step 5: Solve for x
    x = 354,329,842,314.52/800,560.18
  6. Step 6: Final answer
    x = 442,602.38

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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.