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Finding the Fourth Proportional to 491, 735.52 and 246.76

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Solution

The fourth proportional to 491, 735.52 and 246.76 is: 369.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    491 : 735.52 = 246.76 : x
  2. Step 2: Convert to fraction form
    491/735.52 = 246.76/x
  3. Step 3: Cross multiply
    491x = 735.52 × 246.76
  4. Step 4: Simplify right side
    491x = 181,496.92
  5. Step 5: Solve for x
    x = 181,496.92/491
  6. Step 6: Final answer
    x = 369.65

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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.