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Finding the Fourth Proportional to 795.74, 1,097.58 and 516.29

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Solution

The fourth proportional to 795.74, 1,097.58 and 516.29 is: 712.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.74 : 1,097.58 = 516.29 : x
  2. Step 2: Convert to fraction form
    795.74/1,097.58 = 516.29/x
  3. Step 3: Cross multiply
    795.74x = 1,097.58 × 516.29
  4. Step 4: Simplify right side
    795.74x = 566,666.03
  5. Step 5: Solve for x
    x = 566,666.03/795.74
  6. Step 6: Final answer
    x = 712.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.