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Finding the Fourth Proportional to 363,478.32, 501,604.85 and 200,153.97

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Solution

The fourth proportional to 363,478.32, 501,604.85 and 200,153.97 is: 276,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,478.32 : 501,604.85 = 200,153.97 : x
  2. Step 2: Convert to fraction form
    363,478.32/501,604.85 = 200,153.97/x
  3. Step 3: Cross multiply
    363,478.32x = 501,604.85 × 200,153.97
  4. Step 4: Simplify right side
    363,478.32x = 100,398,202,599.14
  5. Step 5: Solve for x
    x = 100,398,202,599.14/363,478.32
  6. Step 6: Final answer
    x = 276,215.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.