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Finding the Fourth Proportional to 374,379.37, 561,667.57 and 134,517.51

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Solution

The fourth proportional to 374,379.37, 561,667.57 and 134,517.51 is: 201,811.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,379.37 : 561,667.57 = 134,517.51 : x
  2. Step 2: Convert to fraction form
    374,379.37/561,667.57 = 134,517.51/x
  3. Step 3: Cross multiply
    374,379.37x = 561,667.57 × 134,517.51
  4. Step 4: Simplify right side
    374,379.37x = 75,554,122,627.86
  5. Step 5: Solve for x
    x = 75,554,122,627.86/374,379.37
  6. Step 6: Final answer
    x = 201,811.66

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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.