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Finding the Fourth Proportional to 483,521.86, 667,248.09 and 268,662.48

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Solution

The fourth proportional to 483,521.86, 667,248.09 and 268,662.48 is: 370,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,521.86 : 667,248.09 = 268,662.48 : x
  2. Step 2: Convert to fraction form
    483,521.86/667,248.09 = 268,662.48/x
  3. Step 3: Cross multiply
    483,521.86x = 667,248.09 × 268,662.48
  4. Step 4: Simplify right side
    483,521.86x = 179,264,526,634.66
  5. Step 5: Solve for x
    x = 179,264,526,634.66/483,521.86
  6. Step 6: Final answer
    x = 370,747.51

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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.