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Finding the Fourth Proportional to 361,362.13, 498,662.94 and 198,017.67

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Solution

The fourth proportional to 361,362.13, 498,662.94 and 198,017.67 is: 273,255.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,362.13 : 498,662.94 = 198,017.67 : x
  2. Step 2: Convert to fraction form
    361,362.13/498,662.94 = 198,017.67/x
  3. Step 3: Cross multiply
    361,362.13x = 498,662.94 × 198,017.67
  4. Step 4: Simplify right side
    361,362.13x = 98,744,071,000.84
  5. Step 5: Solve for x
    x = 98,744,071,000.84/361,362.13
  6. Step 6: Final answer
    x = 273,255.17

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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.