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Finding the Fourth Proportional to 404,977.41, 558,874.71 and 235,211.52

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Solution

The fourth proportional to 404,977.41, 558,874.71 and 235,211.52 is: 324,595.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,977.41 : 558,874.71 = 235,211.52 : x
  2. Step 2: Convert to fraction form
    404,977.41/558,874.71 = 235,211.52/x
  3. Step 3: Cross multiply
    404,977.41x = 558,874.71 × 235,211.52
  4. Step 4: Simplify right side
    404,977.41x = 131,453,770,028.66
  5. Step 5: Solve for x
    x = 131,453,770,028.66/404,977.41
  6. Step 6: Final answer
    x = 324,595.32

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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.