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Finding the Fourth Proportional to 267,480.40, 400,896.60 and 154,944.40

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Solution

The fourth proportional to 267,480.40, 400,896.60 and 154,944.40 is: 232,228.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,480.40 : 400,896.60 = 154,944.40 : x
  2. Step 2: Convert to fraction form
    267,480.40/400,896.60 = 154,944.40/x
  3. Step 3: Cross multiply
    267,480.40x = 400,896.60 × 154,944.40
  4. Step 4: Simplify right side
    267,480.40x = 62,116,683,149.04
  5. Step 5: Solve for x
    x = 62,116,683,149.04/267,480.40
  6. Step 6: Final answer
    x = 232,228.92

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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.