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Finding the Fourth Proportional to 267,387.30, 401,080.95 and 214,899.30

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Solution

The fourth proportional to 267,387.30, 401,080.95 and 214,899.30 is: 322,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,387.30 : 401,080.95 = 214,899.30 : x
  2. Step 2: Convert to fraction form
    267,387.30/401,080.95 = 214,899.30/x
  3. Step 3: Cross multiply
    267,387.30x = 401,080.95 × 214,899.30
  4. Step 4: Simplify right side
    267,387.30x = 86,192,015,398.34
  5. Step 5: Solve for x
    x = 86,192,015,398.34/267,387.30
  6. Step 6: Final answer
    x = 322,348.95

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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.