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Finding the Fourth Proportional to 404,472,319.20, 605,682,046.80 and 222,513,919.20

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Solution

The fourth proportional to 404,472,319.20, 605,682,046.80 and 222,513,919.20 is: 333,206,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,472,319.20 : 605,682,046.80 = 222,513,919.20 : x
  2. Step 2: Convert to fraction form
    404,472,319.20/605,682,046.80 = 222,513,919.20/x
  3. Step 3: Cross multiply
    404,472,319.20x = 605,682,046.80 × 222,513,919.20
  4. Step 4: Simplify right side
    404,472,319.20x = 134,772,686,022,545,808
  5. Step 5: Solve for x
    x = 134,772,686,022,545,808/404,472,319.20
  6. Step 6: Final answer
    x = 333,206,203.80

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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.