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Finding the Fourth Proportional to 592.44, 817.47 and 330.45

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Solution

The fourth proportional to 592.44, 817.47 and 330.45 is: 455.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.44 : 817.47 = 330.45 : x
  2. Step 2: Convert to fraction form
    592.44/817.47 = 330.45/x
  3. Step 3: Cross multiply
    592.44x = 817.47 × 330.45
  4. Step 4: Simplify right side
    592.44x = 270,132.96
  5. Step 5: Solve for x
    x = 270,132.96/592.44
  6. Step 6: Final answer
    x = 455.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.