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Finding the Fourth Proportional to 322,957.02, 445,664.13 and 246,529.58

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Solution

The fourth proportional to 322,957.02, 445,664.13 and 246,529.58 is: 340,198.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,957.02 : 445,664.13 = 246,529.58 : x
  2. Step 2: Convert to fraction form
    322,957.02/445,664.13 = 246,529.58/x
  3. Step 3: Cross multiply
    322,957.02x = 445,664.13 × 246,529.58
  4. Step 4: Simplify right side
    322,957.02x = 109,869,387,637.16
  5. Step 5: Solve for x
    x = 109,869,387,637.16/322,957.02
  6. Step 6: Final answer
    x = 340,198.17

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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.