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Finding the Fourth Proportional to 298,812.04, 412,355.28 and 162,845.17

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Solution

The fourth proportional to 298,812.04, 412,355.28 and 162,845.17 is: 224,723.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,812.04 : 412,355.28 = 162,845.17 : x
  2. Step 2: Convert to fraction form
    298,812.04/412,355.28 = 162,845.17/x
  3. Step 3: Cross multiply
    298,812.04x = 412,355.28 × 162,845.17
  4. Step 4: Simplify right side
    298,812.04x = 67,150,065,672.00
  5. Step 5: Solve for x
    x = 67,150,065,672.00/298,812.04
  6. Step 6: Final answer
    x = 224,723.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.