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Finding the Fourth Proportional to 277,231.28, 382,583.57 and 156,374.97

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Solution

The fourth proportional to 277,231.28, 382,583.57 and 156,374.97 is: 215,799.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,231.28 : 382,583.57 = 156,374.97 : x
  2. Step 2: Convert to fraction form
    277,231.28/382,583.57 = 156,374.97/x
  3. Step 3: Cross multiply
    277,231.28x = 382,583.57 × 156,374.97
  4. Step 4: Simplify right side
    277,231.28x = 59,826,494,281.24
  5. Step 5: Solve for x
    x = 59,826,494,281.24/277,231.28
  6. Step 6: Final answer
    x = 215,799.94

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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.