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Finding the Fourth Proportional to 360,079.02, 539,826.12 and 149,874.30

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Solution

The fourth proportional to 360,079.02, 539,826.12 and 149,874.30 is: 224,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,079.02 : 539,826.12 = 149,874.30 : x
  2. Step 2: Convert to fraction form
    360,079.02/539,826.12 = 149,874.30/x
  3. Step 3: Cross multiply
    360,079.02x = 539,826.12 × 149,874.30
  4. Step 4: Simplify right side
    360,079.02x = 80,906,061,856.72
  5. Step 5: Solve for x
    x = 80,906,061,856.72/360,079.02
  6. Step 6: Final answer
    x = 224,689.74

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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.