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Finding the Fourth Proportional to 276,676.16, 415,143.84 and 136,358.24

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Solution

The fourth proportional to 276,676.16, 415,143.84 and 136,358.24 is: 204,601.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,676.16 : 415,143.84 = 136,358.24 : x
  2. Step 2: Convert to fraction form
    276,676.16/415,143.84 = 136,358.24/x
  3. Step 3: Cross multiply
    276,676.16x = 415,143.84 × 136,358.24
  4. Step 4: Simplify right side
    276,676.16x = 56,608,283,369.24
  5. Step 5: Solve for x
    x = 56,608,283,369.24/276,676.16
  6. Step 6: Final answer
    x = 204,601.23

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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.