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Finding the Fourth Proportional to 574,270.53, 861,405.90 and 236,940.56

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Solution

The fourth proportional to 574,270.53, 861,405.90 and 236,940.56 is: 355,410.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,270.53 : 861,405.90 = 236,940.56 : x
  2. Step 2: Convert to fraction form
    574,270.53/861,405.90 = 236,940.56/x
  3. Step 3: Cross multiply
    574,270.53x = 861,405.90 × 236,940.56
  4. Step 4: Simplify right side
    574,270.53x = 204,101,997,598.29
  5. Step 5: Solve for x
    x = 204,101,997,598.29/574,270.53
  6. Step 6: Final answer
    x = 355,410.89

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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.