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Finding the Fourth Proportional to 362,907.60, 543,705.30 and 222,502.20

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Solution

The fourth proportional to 362,907.60, 543,705.30 and 222,502.20 is: 333,351.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,907.60 : 543,705.30 = 222,502.20 : x
  2. Step 2: Convert to fraction form
    362,907.60/543,705.30 = 222,502.20/x
  3. Step 3: Cross multiply
    362,907.60x = 543,705.30 × 222,502.20
  4. Step 4: Simplify right side
    362,907.60x = 120,975,625,401.66
  5. Step 5: Solve for x
    x = 120,975,625,401.66/362,907.60
  6. Step 6: Final answer
    x = 333,351.04

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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.