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Finding the Fourth Proportional to 270,278.40, 404,834.40 and 223,622.40

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Solution

The fourth proportional to 270,278.40, 404,834.40 and 223,622.40 is: 334,951.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,278.40 : 404,834.40 = 223,622.40 : x
  2. Step 2: Convert to fraction form
    270,278.40/404,834.40 = 223,622.40/x
  3. Step 3: Cross multiply
    270,278.40x = 404,834.40 × 223,622.40
  4. Step 4: Simplify right side
    270,278.40x = 90,530,040,130.56
  5. Step 5: Solve for x
    x = 90,530,040,130.56/270,278.40
  6. Step 6: Final answer
    x = 334,951.07

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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.