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Finding the Fourth Proportional to 700,651.24, 966,843.66 and 394,711

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Solution

The fourth proportional to 700,651.24, 966,843.66 and 394,711 is: 544,670.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,651.24 : 966,843.66 = 394,711 : x
  2. Step 2: Convert to fraction form
    700,651.24/966,843.66 = 394,711/x
  3. Step 3: Cross multiply
    700,651.24x = 966,843.66 × 394,711
  4. Step 4: Simplify right side
    700,651.24x = 381,623,827,882.26
  5. Step 5: Solve for x
    x = 381,623,827,882.26/700,651.24
  6. Step 6: Final answer
    x = 544,670.17

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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.