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Finding the Fourth Proportional to 404,543.75, 606,914.43 and 134,671.37

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Solution

The fourth proportional to 404,543.75, 606,914.43 and 134,671.37 is: 202,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,543.75 : 606,914.43 = 134,671.37 : x
  2. Step 2: Convert to fraction form
    404,543.75/606,914.43 = 134,671.37/x
  3. Step 3: Cross multiply
    404,543.75x = 606,914.43 × 134,671.37
  4. Step 4: Simplify right side
    404,543.75x = 81,733,998,583.34
  5. Step 5: Solve for x
    x = 81,733,998,583.34/404,543.75
  6. Step 6: Final answer
    x = 202,039.95

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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.