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Finding the Fourth Proportional to 483,459.84, 667,155.60 and 268,613.28

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Solution

The fourth proportional to 483,459.84, 667,155.60 and 268,613.28 is: 370,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,459.84 : 667,155.60 = 268,613.28 : x
  2. Step 2: Convert to fraction form
    483,459.84/667,155.60 = 268,613.28/x
  3. Step 3: Cross multiply
    483,459.84x = 667,155.60 × 268,613.28
  4. Step 4: Simplify right side
    483,459.84x = 179,206,853,986.37
  5. Step 5: Solve for x
    x = 179,206,853,986.37/483,459.84
  6. Step 6: Final answer
    x = 370,675.78

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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.