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Finding the Fourth Proportional to 267,394.70, 401,092.05 and 207,908.30

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Solution

The fourth proportional to 267,394.70, 401,092.05 and 207,908.30 is: 311,862.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,394.70 : 401,092.05 = 207,908.30 : x
  2. Step 2: Convert to fraction form
    267,394.70/401,092.05 = 207,908.30/x
  3. Step 3: Cross multiply
    267,394.70x = 401,092.05 × 207,908.30
  4. Step 4: Simplify right side
    267,394.70x = 83,390,366,259.02
  5. Step 5: Solve for x
    x = 83,390,366,259.02/267,394.70
  6. Step 6: Final answer
    x = 311,862.45

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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.