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Finding the Fourth Proportional to 577,407.88, 796,808.82 and 322,789

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Solution

The fourth proportional to 577,407.88, 796,808.82 and 322,789 is: 445,440.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,407.88 : 796,808.82 = 322,789 : x
  2. Step 2: Convert to fraction form
    577,407.88/796,808.82 = 322,789/x
  3. Step 3: Cross multiply
    577,407.88x = 796,808.82 × 322,789
  4. Step 4: Simplify right side
    577,407.88x = 257,201,122,198.98
  5. Step 5: Solve for x
    x = 257,201,122,198.98/577,407.88
  6. Step 6: Final answer
    x = 445,440.96

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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.