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Finding the Fourth Proportional to 400,577.80, 600,089.10 and 222,766.60

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Solution

The fourth proportional to 400,577.80, 600,089.10 and 222,766.60 is: 333,717.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,577.80 : 600,089.10 = 222,766.60 : x
  2. Step 2: Convert to fraction form
    400,577.80/600,089.10 = 222,766.60/x
  3. Step 3: Cross multiply
    400,577.80x = 600,089.10 × 222,766.60
  4. Step 4: Simplify right side
    400,577.80x = 133,679,808,504.06
  5. Step 5: Solve for x
    x = 133,679,808,504.06/400,577.80
  6. Step 6: Final answer
    x = 333,717.47

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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.