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Finding the Fourth Proportional to 359.52, 538.37 and 237.60

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Solution

The fourth proportional to 359.52, 538.37 and 237.60 is: 355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.52 : 538.37 = 237.60 : x
  2. Step 2: Convert to fraction form
    359.52/538.37 = 237.60/x
  3. Step 3: Cross multiply
    359.52x = 538.37 × 237.60
  4. Step 4: Simplify right side
    359.52x = 127,915.52
  5. Step 5: Solve for x
    x = 127,915.52/359.52
  6. Step 6: Final answer
    x = 355.80

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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.