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Finding the Fourth Proportional to 976.59, 1,464.86 and 246.16

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Solution

The fourth proportional to 976.59, 1,464.86 and 246.16 is: 369.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    976.59 : 1,464.86 = 246.16 : x
  2. Step 2: Convert to fraction form
    976.59/1,464.86 = 246.16/x
  3. Step 3: Cross multiply
    976.59x = 1,464.86 × 246.16
  4. Step 4: Simplify right side
    976.59x = 360,589.94
  5. Step 5: Solve for x
    x = 360,589.94/976.59
  6. Step 6: Final answer
    x = 369.24

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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.