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Finding the Fourth Proportional to 792.48, 1,188.62 and 244.64

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Solution

The fourth proportional to 792.48, 1,188.62 and 244.64 is: 366.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.48 : 1,188.62 = 244.64 : x
  2. Step 2: Convert to fraction form
    792.48/1,188.62 = 244.64/x
  3. Step 3: Cross multiply
    792.48x = 1,188.62 × 244.64
  4. Step 4: Simplify right side
    792.48x = 290,784.00
  5. Step 5: Solve for x
    x = 290,784.00/792.48
  6. Step 6: Final answer
    x = 366.93

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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.