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Finding the Fourth Proportional to 276,874.20, 415,311.30 and 227,666.70

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Solution

The fourth proportional to 276,874.20, 415,311.30 and 227,666.70 is: 341,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,874.20 : 415,311.30 = 227,666.70 : x
  2. Step 2: Convert to fraction form
    276,874.20/415,311.30 = 227,666.70/x
  3. Step 3: Cross multiply
    276,874.20x = 415,311.30 × 227,666.70
  4. Step 4: Simplify right side
    276,874.20x = 94,552,553,143.71
  5. Step 5: Solve for x
    x = 94,552,553,143.71/276,874.20
  6. Step 6: Final answer
    x = 341,500.05

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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.