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Finding the Fourth Proportional to 598.46, 825.84 and 349.74

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Solution

The fourth proportional to 598.46, 825.84 and 349.74 is: 482.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.46 : 825.84 = 349.74 : x
  2. Step 2: Convert to fraction form
    598.46/825.84 = 349.74/x
  3. Step 3: Cross multiply
    598.46x = 825.84 × 349.74
  4. Step 4: Simplify right side
    598.46x = 288,829.28
  5. Step 5: Solve for x
    x = 288,829.28/598.46
  6. Step 6: Final answer
    x = 482.62

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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.