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Finding the Fourth Proportional to 577,713.82, 796,976.42 and 373,830.63

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Solution

The fourth proportional to 577,713.82, 796,976.42 and 373,830.63 is: 515,712.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,713.82 : 796,976.42 = 373,830.63 : x
  2. Step 2: Convert to fraction form
    577,713.82/796,976.42 = 373,830.63/x
  3. Step 3: Cross multiply
    577,713.82x = 796,976.42 × 373,830.63
  4. Step 4: Simplify right side
    577,713.82x = 297,934,195,314.59
  5. Step 5: Solve for x
    x = 297,934,195,314.59/577,713.82
  6. Step 6: Final answer
    x = 515,712.43

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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.