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Finding the Fourth Proportional to 384.02, 575.48 and 237.27

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Solution

The fourth proportional to 384.02, 575.48 and 237.27 is: 355.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.02 : 575.48 = 237.27 : x
  2. Step 2: Convert to fraction form
    384.02/575.48 = 237.27/x
  3. Step 3: Cross multiply
    384.02x = 575.48 × 237.27
  4. Step 4: Simplify right side
    384.02x = 136,544.73
  5. Step 5: Solve for x
    x = 136,544.73/384.02
  6. Step 6: Final answer
    x = 355.57

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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.