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Finding the Fourth Proportional to 222,428.53, 333,573.80 and 80,255.31

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Solution

The fourth proportional to 222,428.53, 333,573.80 and 80,255.31 is: 120,358.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,428.53 : 333,573.80 = 80,255.31 : x
  2. Step 2: Convert to fraction form
    222,428.53/333,573.80 = 80,255.31/x
  3. Step 3: Cross multiply
    222,428.53x = 333,573.80 × 80,255.31
  4. Step 4: Simplify right side
    222,428.53x = 26,771,067,074.70
  5. Step 5: Solve for x
    x = 26,771,067,074.70/222,428.53
  6. Step 6: Final answer
    x = 120,358.06

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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.