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Finding the Fourth Proportional to 404,355.11, 605,933.64 and 164,176.95

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Solution

The fourth proportional to 404,355.11, 605,933.64 and 164,176.95 is: 246,022.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,355.11 : 605,933.64 = 164,176.95 : x
  2. Step 2: Convert to fraction form
    404,355.11/605,933.64 = 164,176.95/x
  3. Step 3: Cross multiply
    404,355.11x = 605,933.64 × 164,176.95
  4. Step 4: Simplify right side
    404,355.11x = 99,480,337,023.91
  5. Step 5: Solve for x
    x = 99,480,337,023.91/404,355.11
  6. Step 6: Final answer
    x = 246,022.21

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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.