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Finding the Fourth Proportional to 276,502.60, 414,753.90 and 192,084.40

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Solution

The fourth proportional to 276,502.60, 414,753.90 and 192,084.40 is: 288,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,502.60 : 414,753.90 = 192,084.40 : x
  2. Step 2: Convert to fraction form
    276,502.60/414,753.90 = 192,084.40/x
  3. Step 3: Cross multiply
    276,502.60x = 414,753.90 × 192,084.40
  4. Step 4: Simplify right side
    276,502.60x = 79,667,754,029.16
  5. Step 5: Solve for x
    x = 79,667,754,029.16/276,502.60
  6. Step 6: Final answer
    x = 288,126.60

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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.