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Finding the Fourth Proportional to 226,710.40, 339,259.20 and 197,449.60

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Solution

The fourth proportional to 226,710.40, 339,259.20 and 197,449.60 is: 295,472.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,710.40 : 339,259.20 = 197,449.60 : x
  2. Step 2: Convert to fraction form
    226,710.40/339,259.20 = 197,449.60/x
  3. Step 3: Cross multiply
    226,710.40x = 339,259.20 × 197,449.60
  4. Step 4: Simplify right side
    226,710.40x = 66,986,593,336.32
  5. Step 5: Solve for x
    x = 66,986,593,336.32/226,710.40
  6. Step 6: Final answer
    x = 295,472.08

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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.