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Finding the Fourth Proportional to 222,648.26, 333,455.69 and 220,988.88

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Solution

The fourth proportional to 222,648.26, 333,455.69 and 220,988.88 is: 330,970.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,648.26 : 333,455.69 = 220,988.88 : x
  2. Step 2: Convert to fraction form
    222,648.26/333,455.69 = 220,988.88/x
  3. Step 3: Cross multiply
    222,648.26x = 333,455.69 × 220,988.88
  4. Step 4: Simplify right side
    222,648.26x = 73,689,998,357.78
  5. Step 5: Solve for x
    x = 73,689,998,357.78/222,648.26
  6. Step 6: Final answer
    x = 330,970.47

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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.