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Finding the Fourth Proportional to 577,600.97, 796,845.26 and 386,675.87

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Solution

The fourth proportional to 577,600.97, 796,845.26 and 386,675.87 is: 533,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,600.97 : 796,845.26 = 386,675.87 : x
  2. Step 2: Convert to fraction form
    577,600.97/796,845.26 = 386,675.87/x
  3. Step 3: Cross multiply
    577,600.97x = 796,845.26 × 386,675.87
  4. Step 4: Simplify right side
    577,600.97x = 308,120,828,248.27
  5. Step 5: Solve for x
    x = 308,120,828,248.27/577,600.97
  6. Step 6: Final answer
    x = 533,449.30

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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.