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Finding the Fourth Proportional to 483,539.58, 667,255.28 and 268,672.30

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Solution

The fourth proportional to 483,539.58, 667,255.28 and 268,672.30 is: 370,751.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,539.58 : 667,255.28 = 268,672.30 : x
  2. Step 2: Convert to fraction form
    483,539.58/667,255.28 = 268,672.30/x
  3. Step 3: Cross multiply
    483,539.58x = 667,255.28 × 268,672.30
  4. Step 4: Simplify right side
    483,539.58x = 179,273,010,764.74
  5. Step 5: Solve for x
    x = 179,273,010,764.74/483,539.58
  6. Step 6: Final answer
    x = 370,751.47

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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.