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Finding the Fourth Proportional to 374,594.96, 561,629.82 and 137,906.84

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Solution

The fourth proportional to 374,594.96, 561,629.82 and 137,906.84 is: 206,763.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,594.96 : 561,629.82 = 137,906.84 : x
  2. Step 2: Convert to fraction form
    374,594.96/561,629.82 = 137,906.84/x
  3. Step 3: Cross multiply
    374,594.96x = 561,629.82 × 137,906.84
  4. Step 4: Simplify right side
    374,594.96x = 77,452,593,725.97
  5. Step 5: Solve for x
    x = 77,452,593,725.97/374,594.96
  6. Step 6: Final answer
    x = 206,763.58

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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.