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Finding the Fourth Proportional to 577,309.73, 796,673.39 and 319,180.03

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Solution

The fourth proportional to 577,309.73, 796,673.39 and 319,180.03 is: 440,460.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,309.73 : 796,673.39 = 319,180.03 : x
  2. Step 2: Convert to fraction form
    577,309.73/796,673.39 = 319,180.03/x
  3. Step 3: Cross multiply
    577,309.73x = 796,673.39 × 319,180.03
  4. Step 4: Simplify right side
    577,309.73x = 254,282,236,520.40
  5. Step 5: Solve for x
    x = 254,282,236,520.40/577,309.73
  6. Step 6: Final answer
    x = 440,460.68

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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.