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Finding the Fourth Proportional to 442,103.31, 662,682.78 and 252,154.62

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Solution

The fourth proportional to 442,103.31, 662,682.78 and 252,154.62 is: 377,962.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,103.31 : 662,682.78 = 252,154.62 : x
  2. Step 2: Convert to fraction form
    442,103.31/662,682.78 = 252,154.62/x
  3. Step 3: Cross multiply
    442,103.31x = 662,682.78 × 252,154.62
  4. Step 4: Simplify right side
    442,103.31x = 167,098,524,571.44
  5. Step 5: Solve for x
    x = 167,098,524,571.44/442,103.31
  6. Step 6: Final answer
    x = 377,962.62

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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.