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Finding the Fourth Proportional to 362.17, 498.79 and 336.66

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Solution

The fourth proportional to 362.17, 498.79 and 336.66 is: 463.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.17 : 498.79 = 336.66 : x
  2. Step 2: Convert to fraction form
    362.17/498.79 = 336.66/x
  3. Step 3: Cross multiply
    362.17x = 498.79 × 336.66
  4. Step 4: Simplify right side
    362.17x = 167,922.64
  5. Step 5: Solve for x
    x = 167,922.64/362.17
  6. Step 6: Final answer
    x = 463.66

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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.