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Finding the Fourth Proportional to 366,918.60, 550,377.90 and 117,625.80

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Solution

The fourth proportional to 366,918.60, 550,377.90 and 117,625.80 is: 176,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,918.60 : 550,377.90 = 117,625.80 : x
  2. Step 2: Convert to fraction form
    366,918.60/550,377.90 = 117,625.80/x
  3. Step 3: Cross multiply
    366,918.60x = 550,377.90 × 117,625.80
  4. Step 4: Simplify right side
    366,918.60x = 64,738,640,789.82
  5. Step 5: Solve for x
    x = 64,738,640,789.82/366,918.60
  6. Step 6: Final answer
    x = 176,438.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.