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Finding the Fourth Proportional to 276,658.28, 414,724.96 and 136,252.88

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Solution

The fourth proportional to 276,658.28, 414,724.96 and 136,252.88 is: 204,250.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,658.28 : 414,724.96 = 136,252.88 : x
  2. Step 2: Convert to fraction form
    276,658.28/414,724.96 = 136,252.88/x
  3. Step 3: Cross multiply
    276,658.28x = 414,724.96 × 136,252.88
  4. Step 4: Simplify right side
    276,658.28x = 56,507,470,207.88
  5. Step 5: Solve for x
    x = 56,507,470,207.88/276,658.28
  6. Step 6: Final answer
    x = 204,250.06

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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.