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Finding the Fourth Proportional to 273,270.60, 409,905.90 and 193,091.40

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Solution

The fourth proportional to 273,270.60, 409,905.90 and 193,091.40 is: 289,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,270.60 : 409,905.90 = 193,091.40 : x
  2. Step 2: Convert to fraction form
    273,270.60/409,905.90 = 193,091.40/x
  3. Step 3: Cross multiply
    273,270.60x = 409,905.90 × 193,091.40
  4. Step 4: Simplify right side
    273,270.60x = 79,149,304,099.26
  5. Step 5: Solve for x
    x = 79,149,304,099.26/273,270.60
  6. Step 6: Final answer
    x = 289,637.10

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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.