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Finding the Fourth Proportional to 200,489.04, 300,789.30 and 162,956.18

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Solution

The fourth proportional to 200,489.04, 300,789.30 and 162,956.18 is: 244,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,489.04 : 300,789.30 = 162,956.18 : x
  2. Step 2: Convert to fraction form
    200,489.04/300,789.30 = 162,956.18/x
  3. Step 3: Cross multiply
    200,489.04x = 300,789.30 × 162,956.18
  4. Step 4: Simplify right side
    200,489.04x = 49,015,474,420.01
  5. Step 5: Solve for x
    x = 49,015,474,420.01/200,489.04
  6. Step 6: Final answer
    x = 244,479.57

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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.