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Finding the Fourth Proportional to 492,079.30, 737,082.15 and 398,767.30

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Solution

The fourth proportional to 492,079.30, 737,082.15 and 398,767.30 is: 597,310.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,079.30 : 737,082.15 = 398,767.30 : x
  2. Step 2: Convert to fraction form
    492,079.30/737,082.15 = 398,767.30/x
  3. Step 3: Cross multiply
    492,079.30x = 737,082.15 × 398,767.30
  4. Step 4: Simplify right side
    492,079.30x = 293,924,258,833.70
  5. Step 5: Solve for x
    x = 293,924,258,833.70/492,079.30
  6. Step 6: Final answer
    x = 597,310.76

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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.