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Finding the Fourth Proportional to 483,679.67, 667,473.13 and 268,815.12

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Solution

The fourth proportional to 483,679.67, 667,473.13 and 268,815.12 is: 370,962.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,679.67 : 667,473.13 = 268,815.12 : x
  2. Step 2: Convert to fraction form
    483,679.67/667,473.13 = 268,815.12/x
  3. Step 3: Cross multiply
    483,679.67x = 667,473.13 × 268,815.12
  4. Step 4: Simplify right side
    483,679.67x = 179,426,869,613.17
  5. Step 5: Solve for x
    x = 179,426,869,613.17/483,679.67
  6. Step 6: Final answer
    x = 370,962.19

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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.