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Finding the Fourth Proportional to 502,994.52, 694,120.92 and 276,643.80

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Solution

The fourth proportional to 502,994.52, 694,120.92 and 276,643.80 is: 381,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,994.52 : 694,120.92 = 276,643.80 : x
  2. Step 2: Convert to fraction form
    502,994.52/694,120.92 = 276,643.80/x
  3. Step 3: Cross multiply
    502,994.52x = 694,120.92 × 276,643.80
  4. Step 4: Simplify right side
    502,994.52x = 192,024,248,968.30
  5. Step 5: Solve for x
    x = 192,024,248,968.30/502,994.52
  6. Step 6: Final answer
    x = 381,762.11

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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.