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Finding the Fourth Proportional to 577,650.74, 797,096.68 and 319,486.66

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Solution

The fourth proportional to 577,650.74, 797,096.68 and 319,486.66 is: 440,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,650.74 : 797,096.68 = 319,486.66 : x
  2. Step 2: Convert to fraction form
    577,650.74/797,096.68 = 319,486.66/x
  3. Step 3: Cross multiply
    577,650.74x = 797,096.68 × 319,486.66
  4. Step 4: Simplify right side
    577,650.74x = 254,661,753,198.83
  5. Step 5: Solve for x
    x = 254,661,753,198.83/577,650.74
  6. Step 6: Final answer
    x = 440,857.66

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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.