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Finding the Fourth Proportional to 493.32, 739.82 and 233.06

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Solution

The fourth proportional to 493.32, 739.82 and 233.06 is: 349.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.32 : 739.82 = 233.06 : x
  2. Step 2: Convert to fraction form
    493.32/739.82 = 233.06/x
  3. Step 3: Cross multiply
    493.32x = 739.82 × 233.06
  4. Step 4: Simplify right side
    493.32x = 172,417.58
  5. Step 5: Solve for x
    x = 172,417.58/493.32
  6. Step 6: Final answer
    x = 349.50

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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.