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Finding the Fourth Proportional to 483,677.98, 667,470.81 and 268,813.43

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Solution

The fourth proportional to 483,677.98, 667,470.81 and 268,813.43 is: 370,959.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,677.98 : 667,470.81 = 268,813.43 : x
  2. Step 2: Convert to fraction form
    483,677.98/667,470.81 = 268,813.43/x
  3. Step 3: Cross multiply
    483,677.98x = 667,470.81 × 268,813.43
  4. Step 4: Simplify right side
    483,677.98x = 179,425,119,521.10
  5. Step 5: Solve for x
    x = 179,425,119,521.10/483,677.98
  6. Step 6: Final answer
    x = 370,959.87

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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.