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Finding the Fourth Proportional to 502,306.56, 693,183.24 and 275,966.64

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Solution

The fourth proportional to 502,306.56, 693,183.24 and 275,966.64 is: 380,834.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,306.56 : 693,183.24 = 275,966.64 : x
  2. Step 2: Convert to fraction form
    502,306.56/693,183.24 = 275,966.64/x
  3. Step 3: Cross multiply
    502,306.56x = 693,183.24 × 275,966.64
  4. Step 4: Simplify right side
    502,306.56x = 191,295,449,647.11
  5. Step 5: Solve for x
    x = 191,295,449,647.11/502,306.56
  6. Step 6: Final answer
    x = 380,834.07

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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.