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Finding the Fourth Proportional to 267,658.40, 401,487.60 and 109,805.60

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Solution

The fourth proportional to 267,658.40, 401,487.60 and 109,805.60 is: 164,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,658.40 : 401,487.60 = 109,805.60 : x
  2. Step 2: Convert to fraction form
    267,658.40/401,487.60 = 109,805.60/x
  3. Step 3: Cross multiply
    267,658.40x = 401,487.60 × 109,805.60
  4. Step 4: Simplify right side
    267,658.40x = 44,085,586,810.56
  5. Step 5: Solve for x
    x = 44,085,586,810.56/267,658.40
  6. Step 6: Final answer
    x = 164,708.40

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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.