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Finding the Fourth Proportional to 484,898.31, 726,593.07 and 185,215.32

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Solution

The fourth proportional to 484,898.31, 726,593.07 and 185,215.32 is: 277,534.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,898.31 : 726,593.07 = 185,215.32 : x
  2. Step 2: Convert to fraction form
    484,898.31/726,593.07 = 185,215.32/x
  3. Step 3: Cross multiply
    484,898.31x = 726,593.07 × 185,215.32
  4. Step 4: Simplify right side
    484,898.31x = 134,576,168,664.39
  5. Step 5: Solve for x
    x = 134,576,168,664.39/484,898.31
  6. Step 6: Final answer
    x = 277,534.83

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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.