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Finding the Fourth Proportional to 259,569.60, 389,584.80 and 222,244.80

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Solution

The fourth proportional to 259,569.60, 389,584.80 and 222,244.80 is: 333,564.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,569.60 : 389,584.80 = 222,244.80 : x
  2. Step 2: Convert to fraction form
    259,569.60/389,584.80 = 222,244.80/x
  3. Step 3: Cross multiply
    259,569.60x = 389,584.80 × 222,244.80
  4. Step 4: Simplify right side
    259,569.60x = 86,583,195,959.04
  5. Step 5: Solve for x
    x = 86,583,195,959.04/259,569.60
  6. Step 6: Final answer
    x = 333,564.47

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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.