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Finding the Fourth Proportional to 291,813.94, 402,890.66 and 183,067.37

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Solution

The fourth proportional to 291,813.94, 402,890.66 and 183,067.37 is: 252,750.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,813.94 : 402,890.66 = 183,067.37 : x
  2. Step 2: Convert to fraction form
    291,813.94/402,890.66 = 183,067.37/x
  3. Step 3: Cross multiply
    291,813.94x = 402,890.66 × 183,067.37
  4. Step 4: Simplify right side
    291,813.94x = 73,756,132,608.43
  5. Step 5: Solve for x
    x = 73,756,132,608.43/291,813.94
  6. Step 6: Final answer
    x = 252,750.55

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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.