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Finding the Fourth Proportional to 362,791.64, 500,448.14 and 217,558.74

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Solution

The fourth proportional to 362,791.64, 500,448.14 and 217,558.74 is: 300,108.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,791.64 : 500,448.14 = 217,558.74 : x
  2. Step 2: Convert to fraction form
    362,791.64/500,448.14 = 217,558.74/x
  3. Step 3: Cross multiply
    362,791.64x = 500,448.14 × 217,558.74
  4. Step 4: Simplify right side
    362,791.64x = 108,876,865,685.95
  5. Step 5: Solve for x
    x = 108,876,865,685.95/362,791.64
  6. Step 6: Final answer
    x = 300,108.53

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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.