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Finding the Fourth Proportional to 502,583.12, 693,553 and 273,134.96

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Solution

The fourth proportional to 502,583.12, 693,553 and 273,134.96 is: 376,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,583.12 : 693,553 = 273,134.96 : x
  2. Step 2: Convert to fraction form
    502,583.12/693,553 = 273,134.96/x
  3. Step 3: Cross multiply
    502,583.12x = 693,553 × 273,134.96
  4. Step 4: Simplify right side
    502,583.12x = 189,433,570,912.88
  5. Step 5: Solve for x
    x = 189,433,570,912.88/502,583.12
  6. Step 6: Final answer
    x = 376,919.88

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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.