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Finding the Fourth Proportional to 267,552.39, 401,370.09 and 90,045.55

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Solution

The fourth proportional to 267,552.39, 401,370.09 and 90,045.55 is: 135,082.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,552.39 : 401,370.09 = 90,045.55 : x
  2. Step 2: Convert to fraction form
    267,552.39/401,370.09 = 90,045.55/x
  3. Step 3: Cross multiply
    267,552.39x = 401,370.09 × 90,045.55
  4. Step 4: Simplify right side
    267,552.39x = 36,141,590,507.60
  5. Step 5: Solve for x
    x = 36,141,590,507.60/267,552.39
  6. Step 6: Final answer
    x = 135,082.29

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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.