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Finding the Fourth Proportional to 376,850.48, 520,098.57 and 215,757.27

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Solution

The fourth proportional to 376,850.48, 520,098.57 and 215,757.27 is: 297,770.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,850.48 : 520,098.57 = 215,757.27 : x
  2. Step 2: Convert to fraction form
    376,850.48/520,098.57 = 215,757.27/x
  3. Step 3: Cross multiply
    376,850.48x = 520,098.57 × 215,757.27
  4. Step 4: Simplify right side
    376,850.48x = 112,215,047,594.10
  5. Step 5: Solve for x
    x = 112,215,047,594.10/376,850.48
  6. Step 6: Final answer
    x = 297,770.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.