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Finding the Fourth Proportional to 202,964.20, 304,446.30 and 193,287.40

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Solution

The fourth proportional to 202,964.20, 304,446.30 and 193,287.40 is: 289,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,964.20 : 304,446.30 = 193,287.40 : x
  2. Step 2: Convert to fraction form
    202,964.20/304,446.30 = 193,287.40/x
  3. Step 3: Cross multiply
    202,964.20x = 304,446.30 × 193,287.40
  4. Step 4: Simplify right side
    202,964.20x = 58,845,633,766.62
  5. Step 5: Solve for x
    x = 58,845,633,766.62/202,964.20
  6. Step 6: Final answer
    x = 289,931.10

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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.