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Finding the Fourth Proportional to 1,194.85, 1,792.33 and 329.17

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Solution

The fourth proportional to 1,194.85, 1,792.33 and 329.17 is: 493.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.85 : 1,792.33 = 329.17 : x
  2. Step 2: Convert to fraction form
    1,194.85/1,792.33 = 329.17/x
  3. Step 3: Cross multiply
    1,194.85x = 1,792.33 × 329.17
  4. Step 4: Simplify right side
    1,194.85x = 589,981.27
  5. Step 5: Solve for x
    x = 589,981.27/1,194.85
  6. Step 6: Final answer
    x = 493.77

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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.