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Finding the Fourth Proportional to 594.60, 820.92 and 417.54

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Solution

The fourth proportional to 594.60, 820.92 and 417.54 is: 576.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.60 : 820.92 = 417.54 : x
  2. Step 2: Convert to fraction form
    594.60/820.92 = 417.54/x
  3. Step 3: Cross multiply
    594.60x = 820.92 × 417.54
  4. Step 4: Simplify right side
    594.60x = 342,766.94
  5. Step 5: Solve for x
    x = 342,766.94/594.60
  6. Step 6: Final answer
    x = 576.47

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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.