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Finding the Fourth Proportional to 267,396.80, 401,095.20 and 214,908.80

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Solution

The fourth proportional to 267,396.80, 401,095.20 and 214,908.80 is: 322,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,396.80 : 401,095.20 = 214,908.80 : x
  2. Step 2: Convert to fraction form
    267,396.80/401,095.20 = 214,908.80/x
  3. Step 3: Cross multiply
    267,396.80x = 401,095.20 × 214,908.80
  4. Step 4: Simplify right side
    267,396.80x = 86,198,888,117.76
  5. Step 5: Solve for x
    x = 86,198,888,117.76/267,396.80
  6. Step 6: Final answer
    x = 322,363.20

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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.