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Finding the Fourth Proportional to 373,316.80, 558,808.80 and 268,340.80

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Solution

The fourth proportional to 373,316.80, 558,808.80 and 268,340.80 is: 401,672.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,316.80 : 558,808.80 = 268,340.80 : x
  2. Step 2: Convert to fraction form
    373,316.80/558,808.80 = 268,340.80/x
  3. Step 3: Cross multiply
    373,316.80x = 558,808.80 × 268,340.80
  4. Step 4: Simplify right side
    373,316.80x = 149,951,200,439.04
  5. Step 5: Solve for x
    x = 149,951,200,439.04/373,316.80
  6. Step 6: Final answer
    x = 401,672.79

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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.