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Finding the Fourth Proportional to 484,519.84, 726,876.96 and 168,892

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Solution

The fourth proportional to 484,519.84, 726,876.96 and 168,892 is: 253,371.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,519.84 : 726,876.96 = 168,892 : x
  2. Step 2: Convert to fraction form
    484,519.84/726,876.96 = 168,892/x
  3. Step 3: Cross multiply
    484,519.84x = 726,876.96 × 168,892
  4. Step 4: Simplify right side
    484,519.84x = 122,763,703,528.32
  5. Step 5: Solve for x
    x = 122,763,703,528.32/484,519.84
  6. Step 6: Final answer
    x = 253,371.88

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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.