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Finding the Fourth Proportional to 374,776.32, 561,772.80 and 164,236.80

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Solution

The fourth proportional to 374,776.32, 561,772.80 and 164,236.80 is: 246,183.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,776.32 : 561,772.80 = 164,236.80 : x
  2. Step 2: Convert to fraction form
    374,776.32/561,772.80 = 164,236.80/x
  3. Step 3: Cross multiply
    374,776.32x = 561,772.80 × 164,236.80
  4. Step 4: Simplify right side
    374,776.32x = 92,263,766,999.04
  5. Step 5: Solve for x
    x = 92,263,766,999.04/374,776.32
  6. Step 6: Final answer
    x = 246,183.56

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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.