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Finding the Fourth Proportional to 577,370.30, 866,090.88 and 222,385.37

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Solution

The fourth proportional to 577,370.30, 866,090.88 and 222,385.37 is: 333,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,370.30 : 866,090.88 = 222,385.37 : x
  2. Step 2: Convert to fraction form
    577,370.30/866,090.88 = 222,385.37/x
  3. Step 3: Cross multiply
    577,370.30x = 866,090.88 × 222,385.37
  4. Step 4: Simplify right side
    577,370.30x = 192,605,936,471.97
  5. Step 5: Solve for x
    x = 192,605,936,471.97/577,370.30
  6. Step 6: Final answer
    x = 333,591.70

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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.