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Finding the Fourth Proportional to 270,218.40, 404,744.40 and 223,562.40

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Solution

The fourth proportional to 270,218.40, 404,744.40 and 223,562.40 is: 334,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,218.40 : 404,744.40 = 223,562.40 : x
  2. Step 2: Convert to fraction form
    270,218.40/404,744.40 = 223,562.40/x
  3. Step 3: Cross multiply
    270,218.40x = 404,744.40 × 223,562.40
  4. Step 4: Simplify right side
    270,218.40x = 90,485,629,450.56
  5. Step 5: Solve for x
    x = 90,485,629,450.56/270,218.40
  6. Step 6: Final answer
    x = 334,861.10

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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.