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Finding the Fourth Proportional to 356,026.54, 491,317.36 and 194,891.90

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Solution

The fourth proportional to 356,026.54, 491,317.36 and 194,891.90 is: 268,951.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,026.54 : 491,317.36 = 194,891.90 : x
  2. Step 2: Convert to fraction form
    356,026.54/491,317.36 = 194,891.90/x
  3. Step 3: Cross multiply
    356,026.54x = 491,317.36 × 194,891.90
  4. Step 4: Simplify right side
    356,026.54x = 95,753,773,793.38
  5. Step 5: Solve for x
    x = 95,753,773,793.38/356,026.54
  6. Step 6: Final answer
    x = 268,951.22

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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.