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Finding the Fourth Proportional to 454,589.01, 680,874.66 and 294,149.07

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Solution

The fourth proportional to 454,589.01, 680,874.66 and 294,149.07 is: 440,570.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,589.01 : 680,874.66 = 294,149.07 : x
  2. Step 2: Convert to fraction form
    454,589.01/680,874.66 = 294,149.07/x
  3. Step 3: Cross multiply
    454,589.01x = 680,874.66 × 294,149.07
  4. Step 4: Simplify right side
    454,589.01x = 200,278,648,025.57
  5. Step 5: Solve for x
    x = 200,278,648,025.57/454,589.01
  6. Step 6: Final answer
    x = 440,570.81

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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.