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Finding the Fourth Proportional to 332, 498 and 210.36

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Solution

The fourth proportional to 332, 498 and 210.36 is: 315.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    332 : 498 = 210.36 : x
  2. Step 2: Convert to fraction form
    332/498 = 210.36/x
  3. Step 3: Cross multiply
    332x = 498 × 210.36
  4. Step 4: Simplify right side
    332x = 104,759.28
  5. Step 5: Solve for x
    x = 104,759.28/332
  6. Step 6: Final answer
    x = 315.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.