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Finding the Fourth Proportional to 259,577.60, 389,596.80 and 222,252.80

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Solution

The fourth proportional to 259,577.60, 389,596.80 and 222,252.80 is: 333,576.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,577.60 : 389,596.80 = 222,252.80 : x
  2. Step 2: Convert to fraction form
    259,577.60/389,596.80 = 222,252.80/x
  3. Step 3: Cross multiply
    259,577.60x = 389,596.80 × 222,252.80
  4. Step 4: Simplify right side
    259,577.60x = 86,588,979,671.04
  5. Step 5: Solve for x
    x = 86,588,979,671.04/259,577.60
  6. Step 6: Final answer
    x = 333,576.47

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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.