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Finding the Fourth Proportional to 200,912.76, 302,572.28 and 182,976.66

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Solution

The fourth proportional to 200,912.76, 302,572.28 and 182,976.66 is: 275,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,912.76 : 302,572.28 = 182,976.66 : x
  2. Step 2: Convert to fraction form
    200,912.76/302,572.28 = 182,976.66/x
  3. Step 3: Cross multiply
    200,912.76x = 302,572.28 × 182,976.66
  4. Step 4: Simplify right side
    200,912.76x = 55,363,665,202.98
  5. Step 5: Solve for x
    x = 55,363,665,202.98/200,912.76
  6. Step 6: Final answer
    x = 275,560.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.