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Finding the Fourth Proportional to 225,696.60, 338,631.30 and 222,154.20

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Solution

The fourth proportional to 225,696.60, 338,631.30 and 222,154.20 is: 333,316.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,696.60 : 338,631.30 = 222,154.20 : x
  2. Step 2: Convert to fraction form
    225,696.60/338,631.30 = 222,154.20/x
  3. Step 3: Cross multiply
    225,696.60x = 338,631.30 × 222,154.20
  4. Step 4: Simplify right side
    225,696.60x = 75,228,365,546.46
  5. Step 5: Solve for x
    x = 75,228,365,546.46/225,696.60
  6. Step 6: Final answer
    x = 333,316.34

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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.