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Finding the Fourth Proportional to 277,010.73, 382,251.85 and 156,181.73

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Solution

The fourth proportional to 277,010.73, 382,251.85 and 156,181.73 is: 215,517.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,010.73 : 382,251.85 = 156,181.73 : x
  2. Step 2: Convert to fraction form
    277,010.73/382,251.85 = 156,181.73/x
  3. Step 3: Cross multiply
    277,010.73x = 382,251.85 × 156,181.73
  4. Step 4: Simplify right side
    277,010.73x = 59,700,752,926.99
  5. Step 5: Solve for x
    x = 59,700,752,926.99/277,010.73
  6. Step 6: Final answer
    x = 215,517.84

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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.