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Finding the Fourth Proportional to 594.78, 820.82 and 332.81

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Solution

The fourth proportional to 594.78, 820.82 and 332.81 is: 459.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.78 : 820.82 = 332.81 : x
  2. Step 2: Convert to fraction form
    594.78/820.82 = 332.81/x
  3. Step 3: Cross multiply
    594.78x = 820.82 × 332.81
  4. Step 4: Simplify right side
    594.78x = 273,171.34
  5. Step 5: Solve for x
    x = 273,171.34/594.78
  6. Step 6: Final answer
    x = 459.28

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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.