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Finding the Fourth Proportional to 404,356.74, 605,936.08 and 164,178.58

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Solution

The fourth proportional to 404,356.74, 605,936.08 and 164,178.58 is: 246,024.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,356.74 : 605,936.08 = 164,178.58 : x
  2. Step 2: Convert to fraction form
    404,356.74/605,936.08 = 164,178.58/x
  3. Step 3: Cross multiply
    404,356.74x = 605,936.08 × 164,178.58
  4. Step 4: Simplify right side
    404,356.74x = 99,481,724,364.27
  5. Step 5: Solve for x
    x = 99,481,724,364.27/404,356.74
  6. Step 6: Final answer
    x = 246,024.65

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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.