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Finding the Fourth Proportional to 372,331.60, 558,497.40 and 267,355.60

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Solution

The fourth proportional to 372,331.60, 558,497.40 and 267,355.60 is: 401,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,331.60 : 558,497.40 = 267,355.60 : x
  2. Step 2: Convert to fraction form
    372,331.60/558,497.40 = 267,355.60/x
  3. Step 3: Cross multiply
    372,331.60x = 558,497.40 × 267,355.60
  4. Step 4: Simplify right side
    372,331.60x = 149,317,407,475.44
  5. Step 5: Solve for x
    x = 149,317,407,475.44/372,331.60
  6. Step 6: Final answer
    x = 401,033.40

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1.5x scale

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.