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Finding the Fourth Proportional to 577,136.43, 796,958.91 and 359,716.17

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Solution

The fourth proportional to 577,136.43, 796,958.91 and 359,716.17 is: 496,726.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,136.43 : 796,958.91 = 359,716.17 : x
  2. Step 2: Convert to fraction form
    577,136.43/796,958.91 = 359,716.17/x
  3. Step 3: Cross multiply
    577,136.43x = 796,958.91 × 359,716.17
  4. Step 4: Simplify right side
    577,136.43x = 286,679,006,752.58
  5. Step 5: Solve for x
    x = 286,679,006,752.58/577,136.43
  6. Step 6: Final answer
    x = 496,726.58

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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.