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Finding the Fourth Proportional to 594.25, 820.07 and 361.38

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Solution

The fourth proportional to 594.25, 820.07 and 361.38 is: 498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.25 : 820.07 = 361.38 : x
  2. Step 2: Convert to fraction form
    594.25/820.07 = 361.38/x
  3. Step 3: Cross multiply
    594.25x = 820.07 × 361.38
  4. Step 4: Simplify right side
    594.25x = 296,350.99
  5. Step 5: Solve for x
    x = 296,350.99/594.25
  6. Step 6: Final answer
    x = 498.70

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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.