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Finding the Fourth Proportional to 335.86, 463.49 and 188.52

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Solution

The fourth proportional to 335.86, 463.49 and 188.52 is: 260.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.86 : 463.49 = 188.52 : x
  2. Step 2: Convert to fraction form
    335.86/463.49 = 188.52/x
  3. Step 3: Cross multiply
    335.86x = 463.49 × 188.52
  4. Step 4: Simplify right side
    335.86x = 87,377.13
  5. Step 5: Solve for x
    x = 87,377.13/335.86
  6. Step 6: Final answer
    x = 260.16

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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.