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Finding the Fourth Proportional to 483,543.08, 667,260.11 and 268,675.80

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Solution

The fourth proportional to 483,543.08, 667,260.11 and 268,675.80 is: 370,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,543.08 : 667,260.11 = 268,675.80 : x
  2. Step 2: Convert to fraction form
    483,543.08/667,260.11 = 268,675.80/x
  3. Step 3: Cross multiply
    483,543.08x = 667,260.11 × 268,675.80
  4. Step 4: Simplify right side
    483,543.08x = 179,276,643,862.34
  5. Step 5: Solve for x
    x = 179,276,643,862.34/483,543.08
  6. Step 6: Final answer
    x = 370,756.30

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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.