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Finding the Fourth Proportional to 267,382.80, 400,944.60 and 148,928.40

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Solution

The fourth proportional to 267,382.80, 400,944.60 and 148,928.40 is: 223,320.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,382.80 : 400,944.60 = 148,928.40 : x
  2. Step 2: Convert to fraction form
    267,382.80/400,944.60 = 148,928.40/x
  3. Step 3: Cross multiply
    267,382.80x = 400,944.60 × 148,928.40
  4. Step 4: Simplify right side
    267,382.80x = 59,712,037,766.64
  5. Step 5: Solve for x
    x = 59,712,037,766.64/267,382.80
  6. Step 6: Final answer
    x = 223,320.41

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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.