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Finding the Fourth Proportional to 502,854.60, 693,937.08 and 276,499.56

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Solution

The fourth proportional to 502,854.60, 693,937.08 and 276,499.56 is: 381,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,854.60 : 693,937.08 = 276,499.56 : x
  2. Step 2: Convert to fraction form
    502,854.60/693,937.08 = 276,499.56/x
  3. Step 3: Cross multiply
    502,854.60x = 693,937.08 × 276,499.56
  4. Step 4: Simplify right side
    502,854.60x = 191,873,297,287.69
  5. Step 5: Solve for x
    x = 191,873,297,287.69/502,854.60
  6. Step 6: Final answer
    x = 381,568.15

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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.