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Finding the Fourth Proportional to 336.15, 463.95 and 188.82

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Solution

The fourth proportional to 336.15, 463.95 and 188.82 is: 260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.15 : 463.95 = 188.82 : x
  2. Step 2: Convert to fraction form
    336.15/463.95 = 188.82/x
  3. Step 3: Cross multiply
    336.15x = 463.95 × 188.82
  4. Step 4: Simplify right side
    336.15x = 87,603.04
  5. Step 5: Solve for x
    x = 87,603.04/336.15
  6. Step 6: Final answer
    x = 260.61

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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.