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Finding the Fourth Proportional to 274,266.53, 378,335.48 and 159,532.25

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Solution

The fourth proportional to 274,266.53, 378,335.48 and 159,532.25 is: 220,065.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,266.53 : 378,335.48 = 159,532.25 : x
  2. Step 2: Convert to fraction form
    274,266.53/378,335.48 = 159,532.25/x
  3. Step 3: Cross multiply
    274,266.53x = 378,335.48 × 159,532.25
  4. Step 4: Simplify right side
    274,266.53x = 60,356,711,723.90
  5. Step 5: Solve for x
    x = 60,356,711,723.90/274,266.53
  6. Step 6: Final answer
    x = 220,065.91

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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.