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Finding the Fourth Proportional to 542,912.64, 814,360.32 and 168,956.16

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Solution

The fourth proportional to 542,912.64, 814,360.32 and 168,956.16 is: 253,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,912.64 : 814,360.32 = 168,956.16 : x
  2. Step 2: Convert to fraction form
    542,912.64/814,360.32 = 168,956.16/x
  3. Step 3: Cross multiply
    542,912.64x = 814,360.32 × 168,956.16
  4. Step 4: Simplify right side
    542,912.64x = 137,591,192,523.57
  5. Step 5: Solve for x
    x = 137,591,192,523.57/542,912.64
  6. Step 6: Final answer
    x = 253,431.55

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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.