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Finding the Fourth Proportional to 536,250.72, 739,997.04 and 306,812.48

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Solution

The fourth proportional to 536,250.72, 739,997.04 and 306,812.48 is: 423,384.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,250.72 : 739,997.04 = 306,812.48 : x
  2. Step 2: Convert to fraction form
    536,250.72/739,997.04 = 306,812.48/x
  3. Step 3: Cross multiply
    536,250.72x = 739,997.04 × 306,812.48
  4. Step 4: Simplify right side
    536,250.72x = 227,040,327,035.06
  5. Step 5: Solve for x
    x = 227,040,327,035.06/536,250.72
  6. Step 6: Final answer
    x = 423,384.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.