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Finding the Fourth Proportional to 1,194.86, 1,792.56 and 329.24

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Solution

The fourth proportional to 1,194.86, 1,792.56 and 329.24 is: 493.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.86 : 1,792.56 = 329.24 : x
  2. Step 2: Convert to fraction form
    1,194.86/1,792.56 = 329.24/x
  3. Step 3: Cross multiply
    1,194.86x = 1,792.56 × 329.24
  4. Step 4: Simplify right side
    1,194.86x = 590,182.45
  5. Step 5: Solve for x
    x = 590,182.45/1,194.86
  6. Step 6: Final answer
    x = 493.93

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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.