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Finding the Fourth Proportional to 598.19, 825.63 and 349.58

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Solution

The fourth proportional to 598.19, 825.63 and 349.58 is: 482.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.19 : 825.63 = 349.58 : x
  2. Step 2: Convert to fraction form
    598.19/825.63 = 349.58/x
  3. Step 3: Cross multiply
    598.19x = 825.63 × 349.58
  4. Step 4: Simplify right side
    598.19x = 288,624.49
  5. Step 5: Solve for x
    x = 288,624.49/598.19
  6. Step 6: Final answer
    x = 482.50

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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.