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Finding the Fourth Proportional to 484,404.97, 726,611.51 and 168,861.37

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Solution

The fourth proportional to 484,404.97, 726,611.51 and 168,861.37 is: 253,293.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,404.97 : 726,611.51 = 168,861.37 : x
  2. Step 2: Convert to fraction form
    484,404.97/726,611.51 = 168,861.37/x
  3. Step 3: Cross multiply
    484,404.97x = 726,611.51 × 168,861.37
  4. Step 4: Simplify right side
    484,404.97x = 122,696,615,036.37
  5. Step 5: Solve for x
    x = 122,696,615,036.37/484,404.97
  6. Step 6: Final answer
    x = 253,293.47

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Why These Related Problems?

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