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Finding the Fourth Proportional to 792.58, 1,188.60 and 237.14

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Solution

The fourth proportional to 792.58, 1,188.60 and 237.14 is: 355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.58 : 1,188.60 = 237.14 : x
  2. Step 2: Convert to fraction form
    792.58/1,188.60 = 237.14/x
  3. Step 3: Cross multiply
    792.58x = 1,188.60 × 237.14
  4. Step 4: Simplify right side
    792.58x = 281,864.60
  5. Step 5: Solve for x
    x = 281,864.60/792.58
  6. Step 6: Final answer
    x = 355.63

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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.