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Finding the Fourth Proportional to 359.44, 541.88 and 356.34

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Solution

The fourth proportional to 359.44, 541.88 and 356.34 is: 537.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.44 : 541.88 = 356.34 : x
  2. Step 2: Convert to fraction form
    359.44/541.88 = 356.34/x
  3. Step 3: Cross multiply
    359.44x = 541.88 × 356.34
  4. Step 4: Simplify right side
    359.44x = 193,093.52
  5. Step 5: Solve for x
    x = 193,093.52/359.44
  6. Step 6: Final answer
    x = 537.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.