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Finding the Fourth Proportional to 627,278.46, 940,952.79 and 200,851.80

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Solution

The fourth proportional to 627,278.46, 940,952.79 and 200,851.80 is: 301,288.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,278.46 : 940,952.79 = 200,851.80 : x
  2. Step 2: Convert to fraction form
    627,278.46/940,952.79 = 200,851.80/x
  3. Step 3: Cross multiply
    627,278.46x = 940,952.79 × 200,851.80
  4. Step 4: Simplify right side
    627,278.46x = 188,992,061,586.52
  5. Step 5: Solve for x
    x = 188,992,061,586.52/627,278.46
  6. Step 6: Final answer
    x = 301,288.94

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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.