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Finding the Fourth Proportional to 363.33, 541.10 and 353.61

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Solution

The fourth proportional to 363.33, 541.10 and 353.61 is: 526.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.33 : 541.10 = 353.61 : x
  2. Step 2: Convert to fraction form
    363.33/541.10 = 353.61/x
  3. Step 3: Cross multiply
    363.33x = 541.10 × 353.61
  4. Step 4: Simplify right side
    363.33x = 191,339.26
  5. Step 5: Solve for x
    x = 191,339.26/363.33
  6. Step 6: Final answer
    x = 526.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.