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Finding the Fourth Proportional to 676.29, 932.16 and 536.16

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Solution

The fourth proportional to 676.29, 932.16 and 536.16 is: 739.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.29 : 932.16 = 536.16 : x
  2. Step 2: Convert to fraction form
    676.29/932.16 = 536.16/x
  3. Step 3: Cross multiply
    676.29x = 932.16 × 536.16
  4. Step 4: Simplify right side
    676.29x = 499,786.91
  5. Step 5: Solve for x
    x = 499,786.91/676.29
  6. Step 6: Final answer
    x = 739.01

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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.