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Finding the Fourth Proportional to 202,882.20, 304,323.30 and 199,426.20

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Solution

The fourth proportional to 202,882.20, 304,323.30 and 199,426.20 is: 299,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,882.20 : 304,323.30 = 199,426.20 : x
  2. Step 2: Convert to fraction form
    202,882.20/304,323.30 = 199,426.20/x
  3. Step 3: Cross multiply
    202,882.20x = 304,323.30 × 199,426.20
  4. Step 4: Simplify right side
    202,882.20x = 60,690,039,290.46
  5. Step 5: Solve for x
    x = 60,690,039,290.46/202,882.20
  6. Step 6: Final answer
    x = 299,139.30

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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.