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Finding the Fourth Proportional to 594.42, 820.30 and 332.49

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Solution

The fourth proportional to 594.42, 820.30 and 332.49 is: 458.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.42 : 820.30 = 332.49 : x
  2. Step 2: Convert to fraction form
    594.42/820.30 = 332.49/x
  3. Step 3: Cross multiply
    594.42x = 820.30 × 332.49
  4. Step 4: Simplify right side
    594.42x = 272,740.74
  5. Step 5: Solve for x
    x = 272,740.74/594.42
  6. Step 6: Final answer
    x = 458.83

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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.