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Finding the Fourth Proportional to 454,452.56, 682,434.48 and 284,068.88

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Solution

The fourth proportional to 454,452.56, 682,434.48 and 284,068.88 is: 426,575.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,452.56 : 682,434.48 = 284,068.88 : x
  2. Step 2: Convert to fraction form
    454,452.56/682,434.48 = 284,068.88/x
  3. Step 3: Cross multiply
    454,452.56x = 682,434.48 × 284,068.88
  4. Step 4: Simplify right side
    454,452.56x = 193,858,398,406.98
  5. Step 5: Solve for x
    x = 193,858,398,406.98/454,452.56
  6. Step 6: Final answer
    x = 426,575.65

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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.