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Finding the Fourth Proportional to 391,992.18, 541,181.10 and 246,922.32

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Solution

The fourth proportional to 391,992.18, 541,181.10 and 246,922.32 is: 340,898.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,992.18 : 541,181.10 = 246,922.32 : x
  2. Step 2: Convert to fraction form
    391,992.18/541,181.10 = 246,922.32/x
  3. Step 3: Cross multiply
    391,992.18x = 541,181.10 × 246,922.32
  4. Step 4: Simplify right side
    391,992.18x = 133,629,692,752.15
  5. Step 5: Solve for x
    x = 133,629,692,752.15/391,992.18
  6. Step 6: Final answer
    x = 340,898.87

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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.