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Finding the Fourth Proportional to 574,087.84, 861,325.34 and 254,196.02

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Solution

The fourth proportional to 574,087.84, 861,325.34 and 254,196.02 is: 381,379.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,087.84 : 861,325.34 = 254,196.02 : x
  2. Step 2: Convert to fraction form
    574,087.84/861,325.34 = 254,196.02/x
  3. Step 3: Cross multiply
    574,087.84x = 861,325.34 × 254,196.02
  4. Step 4: Simplify right side
    574,087.84x = 218,945,474,235.48
  5. Step 5: Solve for x
    x = 218,945,474,235.48/574,087.84
  6. Step 6: Final answer
    x = 381,379.75

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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.