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Finding the Fourth Proportional to 503,811.25, 756,028.31 and 204,294.43

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Solution

The fourth proportional to 503,811.25, 756,028.31 and 204,294.43 is: 306,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,811.25 : 756,028.31 = 204,294.43 : x
  2. Step 2: Convert to fraction form
    503,811.25/756,028.31 = 204,294.43/x
  3. Step 3: Cross multiply
    503,811.25x = 756,028.31 × 204,294.43
  4. Step 4: Simplify right side
    503,811.25x = 154,452,372,655.31
  5. Step 5: Solve for x
    x = 154,452,372,655.31/503,811.25
  6. Step 6: Final answer
    x = 306,567.93

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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.