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Finding the Fourth Proportional to 502,846.60, 693,926.04 and 276,491.56

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Solution

The fourth proportional to 502,846.60, 693,926.04 and 276,491.56 is: 381,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,846.60 : 693,926.04 = 276,491.56 : x
  2. Step 2: Convert to fraction form
    502,846.60/693,926.04 = 276,491.56/x
  3. Step 3: Cross multiply
    502,846.60x = 693,926.04 × 276,491.56
  4. Step 4: Simplify right side
    502,846.60x = 191,864,693,324.22
  5. Step 5: Solve for x
    x = 191,864,693,324.22/502,846.60
  6. Step 6: Final answer
    x = 381,557.11

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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.