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Finding the Fourth Proportional to 592.78, 889.18 and 227.60

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Solution

The fourth proportional to 592.78, 889.18 and 227.60 is: 341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.78 : 889.18 = 227.60 : x
  2. Step 2: Convert to fraction form
    592.78/889.18 = 227.60/x
  3. Step 3: Cross multiply
    592.78x = 889.18 × 227.60
  4. Step 4: Simplify right side
    592.78x = 202,377.37
  5. Step 5: Solve for x
    x = 202,377.37/592.78
  6. Step 6: Final answer
    x = 341.40

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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.