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Finding the Fourth Proportional to 372,181.60, 558,272.40 and 267,205.60

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Solution

The fourth proportional to 372,181.60, 558,272.40 and 267,205.60 is: 400,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,181.60 : 558,272.40 = 267,205.60 : x
  2. Step 2: Convert to fraction form
    372,181.60/558,272.40 = 267,205.60/x
  3. Step 3: Cross multiply
    372,181.60x = 558,272.40 × 267,205.60
  4. Step 4: Simplify right side
    372,181.60x = 149,173,511,605.44
  5. Step 5: Solve for x
    x = 149,173,511,605.44/372,181.60
  6. Step 6: Final answer
    x = 400,808.40

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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.