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Finding the Fourth Proportional to 222,407.80, 333,611.70 and 207,536.20

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Solution

The fourth proportional to 222,407.80, 333,611.70 and 207,536.20 is: 311,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,407.80 : 333,611.70 = 207,536.20 : x
  2. Step 2: Convert to fraction form
    222,407.80/333,611.70 = 207,536.20/x
  3. Step 3: Cross multiply
    222,407.80x = 333,611.70 × 207,536.20
  4. Step 4: Simplify right side
    222,407.80x = 69,236,504,493.54
  5. Step 5: Solve for x
    x = 69,236,504,493.54/222,407.80
  6. Step 6: Final answer
    x = 311,304.30

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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.