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Finding the Fourth Proportional to 201,760.38, 300,258.80 and 195,033.30

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Solution

The fourth proportional to 201,760.38, 300,258.80 and 195,033.30 is: 290,247.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,760.38 : 300,258.80 = 195,033.30 : x
  2. Step 2: Convert to fraction form
    201,760.38/300,258.80 = 195,033.30/x
  3. Step 3: Cross multiply
    201,760.38x = 300,258.80 × 195,033.30
  4. Step 4: Simplify right side
    201,760.38x = 58,560,463,642.87
  5. Step 5: Solve for x
    x = 58,560,463,642.87/201,760.38
  6. Step 6: Final answer
    x = 290,247.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.