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Finding the Fourth Proportional to 976.28, 1,462.66 and 537.06

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Solution

The fourth proportional to 976.28, 1,462.66 and 537.06 is: 804.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    976.28 : 1,462.66 = 537.06 : x
  2. Step 2: Convert to fraction form
    976.28/1,462.66 = 537.06/x
  3. Step 3: Cross multiply
    976.28x = 1,462.66 × 537.06
  4. Step 4: Simplify right side
    976.28x = 785,536.18
  5. Step 5: Solve for x
    x = 785,536.18/976.28
  6. Step 6: Final answer
    x = 804.62

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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.