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Finding the Fourth Proportional to 276,614.72, 414,922.08 and 76,927.04

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Solution

The fourth proportional to 276,614.72, 414,922.08 and 76,927.04 is: 115,390.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,614.72 : 414,922.08 = 76,927.04 : x
  2. Step 2: Convert to fraction form
    276,614.72/414,922.08 = 76,927.04/x
  3. Step 3: Cross multiply
    276,614.72x = 414,922.08 × 76,927.04
  4. Step 4: Simplify right side
    276,614.72x = 31,918,727,445.04
  5. Step 5: Solve for x
    x = 31,918,727,445.04/276,614.72
  6. Step 6: Final answer
    x = 115,390.56

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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.