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Finding the Fourth Proportional to 267,391.70, 401,087.55 and 214,903.70

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Solution

The fourth proportional to 267,391.70, 401,087.55 and 214,903.70 is: 322,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,391.70 : 401,087.55 = 214,903.70 : x
  2. Step 2: Convert to fraction form
    267,391.70/401,087.55 = 214,903.70/x
  3. Step 3: Cross multiply
    267,391.70x = 401,087.55 × 214,903.70
  4. Step 4: Simplify right side
    267,391.70x = 86,195,198,518.94
  5. Step 5: Solve for x
    x = 86,195,198,518.94/267,391.70
  6. Step 6: Final answer
    x = 322,355.55

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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.