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Finding the Fourth Proportional to 484,825.18, 669,078.48 and 269,951.62

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Solution

The fourth proportional to 484,825.18, 669,078.48 and 269,951.62 is: 372,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,825.18 : 669,078.48 = 269,951.62 : x
  2. Step 2: Convert to fraction form
    484,825.18/669,078.48 = 269,951.62/x
  3. Step 3: Cross multiply
    484,825.18x = 669,078.48 × 269,951.62
  4. Step 4: Simplify right side
    484,825.18x = 180,618,819,583.14
  5. Step 5: Solve for x
    x = 180,618,819,583.14/484,825.18
  6. Step 6: Final answer
    x = 372,544.22

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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.