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Finding the Fourth Proportional to 336,871.80, 465,035.04 and 222,218.64

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Solution

The fourth proportional to 336,871.80, 465,035.04 and 222,218.64 is: 306,761.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,871.80 : 465,035.04 = 222,218.64 : x
  2. Step 2: Convert to fraction form
    336,871.80/465,035.04 = 222,218.64/x
  3. Step 3: Cross multiply
    336,871.80x = 465,035.04 × 222,218.64
  4. Step 4: Simplify right side
    336,871.80x = 103,339,454,141.15
  5. Step 5: Solve for x
    x = 103,339,454,141.15/336,871.80
  6. Step 6: Final answer
    x = 306,761.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.