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Finding the Fourth Proportional to 592.22, 889.52 and 454.78

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Solution

The fourth proportional to 592.22, 889.52 and 454.78 is: 683.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.22 : 889.52 = 454.78 : x
  2. Step 2: Convert to fraction form
    592.22/889.52 = 454.78/x
  3. Step 3: Cross multiply
    592.22x = 889.52 × 454.78
  4. Step 4: Simplify right side
    592.22x = 404,535.91
  5. Step 5: Solve for x
    x = 404,535.91/592.22
  6. Step 6: Final answer
    x = 683.08

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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.