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Finding the Fourth Proportional to 1,036.48, 1,553.50 and 516.32

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Solution

The fourth proportional to 1,036.48, 1,553.50 and 516.32 is: 773.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.48 : 1,553.50 = 516.32 : x
  2. Step 2: Convert to fraction form
    1,036.48/1,553.50 = 516.32/x
  3. Step 3: Cross multiply
    1,036.48x = 1,553.50 × 516.32
  4. Step 4: Simplify right side
    1,036.48x = 802,103.12
  5. Step 5: Solve for x
    x = 802,103.12/1,036.48
  6. Step 6: Final answer
    x = 773.87

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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.