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Finding the Fourth Proportional to 268,291.20, 401,853.60 and 162,926.40

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Solution

The fourth proportional to 268,291.20, 401,853.60 and 162,926.40 is: 244,035.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,291.20 : 401,853.60 = 162,926.40 : x
  2. Step 2: Convert to fraction form
    268,291.20/401,853.60 = 162,926.40/x
  3. Step 3: Cross multiply
    268,291.20x = 401,853.60 × 162,926.40
  4. Step 4: Simplify right side
    268,291.20x = 65,472,560,375.04
  5. Step 5: Solve for x
    x = 65,472,560,375.04/268,291.20
  6. Step 6: Final answer
    x = 244,035.44

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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.