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Finding the Fourth Proportional to 372,187.60, 558,281.40 and 267,211.60

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Solution

The fourth proportional to 372,187.60, 558,281.40 and 267,211.60 is: 400,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,187.60 : 558,281.40 = 267,211.60 : x
  2. Step 2: Convert to fraction form
    372,187.60/558,281.40 = 267,211.60/x
  3. Step 3: Cross multiply
    372,187.60x = 558,281.40 × 267,211.60
  4. Step 4: Simplify right side
    372,187.60x = 149,179,266,144.24
  5. Step 5: Solve for x
    x = 149,179,266,144.24/372,187.60
  6. Step 6: Final answer
    x = 400,817.40

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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.