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Finding the Fourth Proportional to 507,049.89, 760,525.30 and 133,072.89

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Solution

The fourth proportional to 507,049.89, 760,525.30 and 133,072.89 is: 199,596.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,049.89 : 760,525.30 = 133,072.89 : x
  2. Step 2: Convert to fraction form
    507,049.89/760,525.30 = 133,072.89/x
  3. Step 3: Cross multiply
    507,049.89x = 760,525.30 × 133,072.89
  4. Step 4: Simplify right side
    507,049.89x = 101,205,299,589.12
  5. Step 5: Solve for x
    x = 101,205,299,589.12/507,049.89
  6. Step 6: Final answer
    x = 199,596.33

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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.