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Finding the Fourth Proportional to 373,314.80, 558,805.80 and 268,338.80

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Solution

The fourth proportional to 373,314.80, 558,805.80 and 268,338.80 is: 401,669.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,314.80 : 558,805.80 = 268,338.80 : x
  2. Step 2: Convert to fraction form
    373,314.80/558,805.80 = 268,338.80/x
  3. Step 3: Cross multiply
    373,314.80x = 558,805.80 × 268,338.80
  4. Step 4: Simplify right side
    373,314.80x = 149,949,277,805.04
  5. Step 5: Solve for x
    x = 149,949,277,805.04/373,314.80
  6. Step 6: Final answer
    x = 401,669.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.