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Finding the Fourth Proportional to 226,808.40, 340,212.60 and 223,309.20

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Solution

The fourth proportional to 226,808.40, 340,212.60 and 223,309.20 is: 334,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,808.40 : 340,212.60 = 223,309.20 : x
  2. Step 2: Convert to fraction form
    226,808.40/340,212.60 = 223,309.20/x
  3. Step 3: Cross multiply
    226,808.40x = 340,212.60 × 223,309.20
  4. Step 4: Simplify right side
    226,808.40x = 75,972,603,535.92
  5. Step 5: Solve for x
    x = 75,972,603,535.92/226,808.40
  6. Step 6: Final answer
    x = 334,963.80

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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.