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Finding the Fourth Proportional to 535.33, 738.42 and 369.46

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Solution

The fourth proportional to 535.33, 738.42 and 369.46 is: 509.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.33 : 738.42 = 369.46 : x
  2. Step 2: Convert to fraction form
    535.33/738.42 = 369.46/x
  3. Step 3: Cross multiply
    535.33x = 738.42 × 369.46
  4. Step 4: Simplify right side
    535.33x = 272,816.65
  5. Step 5: Solve for x
    x = 272,816.65/535.33
  6. Step 6: Final answer
    x = 509.62

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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.