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Finding the Fourth Proportional to 792.93, 1,188.80 and 244.79

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Solution

The fourth proportional to 792.93, 1,188.80 and 244.79 is: 367.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.93 : 1,188.80 = 244.79 : x
  2. Step 2: Convert to fraction form
    792.93/1,188.80 = 244.79/x
  3. Step 3: Cross multiply
    792.93x = 1,188.80 × 244.79
  4. Step 4: Simplify right side
    792.93x = 291,006.35
  5. Step 5: Solve for x
    x = 291,006.35/792.93
  6. Step 6: Final answer
    x = 367.00

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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.