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Finding the Fourth Proportional to 502,833.33, 693,909.99 and 276,478.83

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Solution

The fourth proportional to 502,833.33, 693,909.99 and 276,478.83 is: 381,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,833.33 : 693,909.99 = 276,478.83 : x
  2. Step 2: Convert to fraction form
    502,833.33/693,909.99 = 276,478.83/x
  3. Step 3: Cross multiply
    502,833.33x = 693,909.99 × 276,478.83
  4. Step 4: Simplify right side
    502,833.33x = 191,851,422,160.51
  5. Step 5: Solve for x
    x = 191,851,422,160.51/502,833.33
  6. Step 6: Final answer
    x = 381,540.78

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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.