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Finding the Fourth Proportional to 976.26, 1,462.02 and 536.84

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Solution

The fourth proportional to 976.26, 1,462.02 and 536.84 is: 803.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    976.26 : 1,462.02 = 536.84 : x
  2. Step 2: Convert to fraction form
    976.26/1,462.02 = 536.84/x
  3. Step 3: Cross multiply
    976.26x = 1,462.02 × 536.84
  4. Step 4: Simplify right side
    976.26x = 784,870.82
  5. Step 5: Solve for x
    x = 784,870.82/976.26
  6. Step 6: Final answer
    x = 803.96

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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.