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Finding the Fourth Proportional to 431,887.22, 595,930.55 and 250,557.58

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Solution

The fourth proportional to 431,887.22, 595,930.55 and 250,557.58 is: 345,726.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,887.22 : 595,930.55 = 250,557.58 : x
  2. Step 2: Convert to fraction form
    431,887.22/595,930.55 = 250,557.58/x
  3. Step 3: Cross multiply
    431,887.22x = 595,930.55 × 250,557.58
  4. Step 4: Simplify right side
    431,887.22x = 149,314,917,357.58
  5. Step 5: Solve for x
    x = 149,314,917,357.58/431,887.22
  6. Step 6: Final answer
    x = 345,726.64

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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.