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Finding the Fourth Proportional to 277,357.38, 382,753.26 and 156,524.28

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Solution

The fourth proportional to 277,357.38, 382,753.26 and 156,524.28 is: 216,003.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,357.38 : 382,753.26 = 156,524.28 : x
  2. Step 2: Convert to fraction form
    277,357.38/382,753.26 = 156,524.28/x
  3. Step 3: Cross multiply
    277,357.38x = 382,753.26 × 156,524.28
  4. Step 4: Simplify right side
    277,357.38x = 59,910,178,439.15
  5. Step 5: Solve for x
    x = 59,910,178,439.15/277,357.38
  6. Step 6: Final answer
    x = 216,003.55

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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.