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Finding the Fourth Proportional to 276,248.40, 414,213.84 and 134,044.80

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Solution

The fourth proportional to 276,248.40, 414,213.84 and 134,044.80 is: 200,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,248.40 : 414,213.84 = 134,044.80 : x
  2. Step 2: Convert to fraction form
    276,248.40/414,213.84 = 134,044.80/x
  3. Step 3: Cross multiply
    276,248.40x = 414,213.84 × 134,044.80
  4. Step 4: Simplify right side
    276,248.40x = 55,523,211,340.03
  5. Step 5: Solve for x
    x = 55,523,211,340.03/276,248.40
  6. Step 6: Final answer
    x = 200,990.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.