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Finding the Fourth Proportional to 322,729.20, 484,093.80 and 233,564.40

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Solution

The fourth proportional to 322,729.20, 484,093.80 and 233,564.40 is: 350,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,729.20 : 484,093.80 = 233,564.40 : x
  2. Step 2: Convert to fraction form
    322,729.20/484,093.80 = 233,564.40/x
  3. Step 3: Cross multiply
    322,729.20x = 484,093.80 × 233,564.40
  4. Step 4: Simplify right side
    322,729.20x = 113,067,077,940.72
  5. Step 5: Solve for x
    x = 113,067,077,940.72/322,729.20
  6. Step 6: Final answer
    x = 350,346.60

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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.