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Finding the Fourth Proportional to 374,806.32, 561,817.80 and 164,266.80

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Solution

The fourth proportional to 374,806.32, 561,817.80 and 164,266.80 is: 246,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,806.32 : 561,817.80 = 164,266.80 : x
  2. Step 2: Convert to fraction form
    374,806.32/561,817.80 = 164,266.80/x
  3. Step 3: Cross multiply
    374,806.32x = 561,817.80 × 164,266.80
  4. Step 4: Simplify right side
    374,806.32x = 92,288,012,189.04
  5. Step 5: Solve for x
    x = 92,288,012,189.04/374,806.32
  6. Step 6: Final answer
    x = 246,228.54

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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.