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Finding the Fourth Proportional to 404,006.88, 557,529.48 and 222,721.92

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Solution

The fourth proportional to 404,006.88, 557,529.48 and 222,721.92 is: 307,356.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,006.88 : 557,529.48 = 222,721.92 : x
  2. Step 2: Convert to fraction form
    404,006.88/557,529.48 = 222,721.92/x
  3. Step 3: Cross multiply
    404,006.88x = 557,529.48 × 222,721.92
  4. Step 4: Simplify right side
    404,006.88x = 124,174,036,242.20
  5. Step 5: Solve for x
    x = 124,174,036,242.20/404,006.88
  6. Step 6: Final answer
    x = 307,356.24

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1.5x scale

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.