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Finding the Fourth Proportional to 308,363.40, 463,020.30 and 168,395.40

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Solution

The fourth proportional to 308,363.40, 463,020.30 and 168,395.40 is: 252,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,363.40 : 463,020.30 = 168,395.40 : x
  2. Step 2: Convert to fraction form
    308,363.40/463,020.30 = 168,395.40/x
  3. Step 3: Cross multiply
    308,363.40x = 463,020.30 × 168,395.40
  4. Step 4: Simplify right side
    308,363.40x = 77,970,488,626.62
  5. Step 5: Solve for x
    x = 77,970,488,626.62/308,363.40
  6. Step 6: Final answer
    x = 252,852.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.