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Finding the Fourth Proportional to 483,387.60, 667,052.25 and 268,540.77

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Solution

The fourth proportional to 483,387.60, 667,052.25 and 268,540.77 is: 370,573.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,387.60 : 667,052.25 = 268,540.77 : x
  2. Step 2: Convert to fraction form
    483,387.60/667,052.25 = 268,540.77/x
  3. Step 3: Cross multiply
    483,387.60x = 667,052.25 × 268,540.77
  4. Step 4: Simplify right side
    483,387.60x = 179,130,724,845.23
  5. Step 5: Solve for x
    x = 179,130,724,845.23/483,387.60
  6. Step 6: Final answer
    x = 370,573.69

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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.