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Finding the Fourth Proportional to 363,136.32, 501,074.28 and 201,993.48

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Solution

The fourth proportional to 363,136.32, 501,074.28 and 201,993.48 is: 278,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,136.32 : 501,074.28 = 201,993.48 : x
  2. Step 2: Convert to fraction form
    363,136.32/501,074.28 = 201,993.48/x
  3. Step 3: Cross multiply
    363,136.32x = 501,074.28 × 201,993.48
  4. Step 4: Simplify right side
    363,136.32x = 101,213,737,555.69
  5. Step 5: Solve for x
    x = 101,213,737,555.69/363,136.32
  6. Step 6: Final answer
    x = 278,721.05

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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.