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Finding the Fourth Proportional to 502,377.56, 693,293.80 and 272,932.56

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Solution

The fourth proportional to 502,377.56, 693,293.80 and 272,932.56 is: 376,653.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,377.56 : 693,293.80 = 272,932.56 : x
  2. Step 2: Convert to fraction form
    502,377.56/693,293.80 = 272,932.56/x
  3. Step 3: Cross multiply
    502,377.56x = 693,293.80 × 272,932.56
  4. Step 4: Simplify right side
    502,377.56x = 189,222,451,666.13
  5. Step 5: Solve for x
    x = 189,222,451,666.13/502,377.56
  6. Step 6: Final answer
    x = 376,653.87

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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.