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Finding the Fourth Proportional to 353.36, 529.74 and 237.45

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Solution

The fourth proportional to 353.36, 529.74 and 237.45 is: 355.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.36 : 529.74 = 237.45 : x
  2. Step 2: Convert to fraction form
    353.36/529.74 = 237.45/x
  3. Step 3: Cross multiply
    353.36x = 529.74 × 237.45
  4. Step 4: Simplify right side
    353.36x = 125,784.11
  5. Step 5: Solve for x
    x = 125,784.11/353.36
  6. Step 6: Final answer
    x = 355.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.