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Finding the Fourth Proportional to 340,459.92, 469,621.80 and 244,815.12

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Solution

The fourth proportional to 340,459.92, 469,621.80 and 244,815.12 is: 337,691.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,459.92 : 469,621.80 = 244,815.12 : x
  2. Step 2: Convert to fraction form
    340,459.92/469,621.80 = 244,815.12/x
  3. Step 3: Cross multiply
    340,459.92x = 469,621.80 × 244,815.12
  4. Step 4: Simplify right side
    340,459.92x = 114,970,517,321.62
  5. Step 5: Solve for x
    x = 114,970,517,321.62/340,459.92
  6. Step 6: Final answer
    x = 337,691.78

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1.5x scale

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.