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Finding the Fourth Proportional to 502,508.28, 693,465.75 and 273,065.52

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Solution

The fourth proportional to 502,508.28, 693,465.75 and 273,065.52 is: 376,832.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,508.28 : 693,465.75 = 273,065.52 : x
  2. Step 2: Convert to fraction form
    502,508.28/693,465.75 = 273,065.52/x
  3. Step 3: Cross multiply
    502,508.28x = 693,465.75 × 273,065.52
  4. Step 4: Simplify right side
    502,508.28x = 189,361,585,625.94
  5. Step 5: Solve for x
    x = 189,361,585,625.94/502,508.28
  6. Step 6: Final answer
    x = 376,832.77

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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.