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Finding the Fourth Proportional to 404,324.66, 557,961.11 and 223,053.95

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Solution

The fourth proportional to 404,324.66, 557,961.11 and 223,053.95 is: 307,810.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,324.66 : 557,961.11 = 223,053.95 : x
  2. Step 2: Convert to fraction form
    404,324.66/557,961.11 = 223,053.95/x
  3. Step 3: Cross multiply
    404,324.66x = 557,961.11 × 223,053.95
  4. Step 4: Simplify right side
    404,324.66x = 124,455,430,647.97
  5. Step 5: Solve for x
    x = 124,455,430,647.97/404,324.66
  6. Step 6: Final answer
    x = 307,810.63

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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.