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Finding the Fourth Proportional to 577,898.52, 796,651.22 and 405,293.20

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Solution

The fourth proportional to 577,898.52, 796,651.22 and 405,293.20 is: 558,709.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,898.52 : 796,651.22 = 405,293.20 : x
  2. Step 2: Convert to fraction form
    577,898.52/796,651.22 = 405,293.20/x
  3. Step 3: Cross multiply
    577,898.52x = 796,651.22 × 405,293.20
  4. Step 4: Simplify right side
    577,898.52x = 322,877,322,237.70
  5. Step 5: Solve for x
    x = 322,877,322,237.70/577,898.52
  6. Step 6: Final answer
    x = 558,709.38

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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.