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Finding the Fourth Proportional to 732.82, 1,011.10 and 535.98

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Solution

The fourth proportional to 732.82, 1,011.10 and 535.98 is: 739.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.82 : 1,011.10 = 535.98 : x
  2. Step 2: Convert to fraction form
    732.82/1,011.10 = 535.98/x
  3. Step 3: Cross multiply
    732.82x = 1,011.10 × 535.98
  4. Step 4: Simplify right side
    732.82x = 541,929.38
  5. Step 5: Solve for x
    x = 541,929.38/732.82
  6. Step 6: Final answer
    x = 739.51

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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.