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Finding the Fourth Proportional to 802.97, 1,195.98 and 792.17

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Solution

The fourth proportional to 802.97, 1,195.98 and 792.17 is: 1,179.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    802.97 : 1,195.98 = 792.17 : x
  2. Step 2: Convert to fraction form
    802.97/1,195.98 = 792.17/x
  3. Step 3: Cross multiply
    802.97x = 1,195.98 × 792.17
  4. Step 4: Simplify right side
    802.97x = 947,413.50
  5. Step 5: Solve for x
    x = 947,413.50/802.97
  6. Step 6: Final answer
    x = 1,179.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.