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Finding the Fourth Proportional to 483,387.96, 667,074.90 and 268,548.15

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Solution

The fourth proportional to 483,387.96, 667,074.90 and 268,548.15 is: 370,596.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,387.96 : 667,074.90 = 268,548.15 : x
  2. Step 2: Convert to fraction form
    483,387.96/667,074.90 = 268,548.15/x
  3. Step 3: Cross multiply
    483,387.96x = 667,074.90 × 268,548.15
  4. Step 4: Simplify right side
    483,387.96x = 179,141,730,306.44
  5. Step 5: Solve for x
    x = 179,141,730,306.44/483,387.96
  6. Step 6: Final answer
    x = 370,596.18

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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.