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Finding the Fourth Proportional to 374,710.44, 561,770.38 and 137,923.96

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Solution

The fourth proportional to 374,710.44, 561,770.38 and 137,923.96 is: 206,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,710.44 : 561,770.38 = 137,923.96 : x
  2. Step 2: Convert to fraction form
    374,710.44/561,770.38 = 137,923.96/x
  3. Step 3: Cross multiply
    374,710.44x = 561,770.38 × 137,923.96
  4. Step 4: Simplify right side
    374,710.44x = 77,481,595,420.30
  5. Step 5: Solve for x
    x = 77,481,595,420.30/374,710.44
  6. Step 6: Final answer
    x = 206,777.25

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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.