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Finding the Fourth Proportional to 502,872.62, 693,964.22 and 276,518.12

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Solution

The fourth proportional to 502,872.62, 693,964.22 and 276,518.12 is: 381,595.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,872.62 : 693,964.22 = 276,518.12 : x
  2. Step 2: Convert to fraction form
    502,872.62/693,964.22 = 276,518.12/x
  3. Step 3: Cross multiply
    502,872.62x = 693,964.22 × 276,518.12
  4. Step 4: Simplify right side
    502,872.62x = 191,893,676,609.26
  5. Step 5: Solve for x
    x = 191,893,676,609.26/502,872.62
  6. Step 6: Final answer
    x = 381,595.00

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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.