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Finding the Fourth Proportional to 400,258.62, 599,793.80 and 222,521.13

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Solution

The fourth proportional to 400,258.62, 599,793.80 and 222,521.13 is: 333,451.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,258.62 : 599,793.80 = 222,521.13 : x
  2. Step 2: Convert to fraction form
    400,258.62/599,793.80 = 222,521.13/x
  3. Step 3: Cross multiply
    400,258.62x = 599,793.80 × 222,521.13
  4. Step 4: Simplify right side
    400,258.62x = 133,466,793,030.39
  5. Step 5: Solve for x
    x = 133,466,793,030.39/400,258.62
  6. Step 6: Final answer
    x = 333,451.39

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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.