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Finding the Fourth Proportional to 267,400.70, 401,101.05 and 214,912.70

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Solution

The fourth proportional to 267,400.70, 401,101.05 and 214,912.70 is: 322,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,400.70 : 401,101.05 = 214,912.70 : x
  2. Step 2: Convert to fraction form
    267,400.70/401,101.05 = 214,912.70/x
  3. Step 3: Cross multiply
    267,400.70x = 401,101.05 × 214,912.70
  4. Step 4: Simplify right side
    267,400.70x = 86,201,709,628.34
  5. Step 5: Solve for x
    x = 86,201,709,628.34/267,400.70
  6. Step 6: Final answer
    x = 322,369.05

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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.