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Finding the Fourth Proportional to 577,650.78, 797,176.23 and 323,001.30

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Solution

The fourth proportional to 577,650.78, 797,176.23 and 323,001.30 is: 445,751.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,650.78 : 797,176.23 = 323,001.30 : x
  2. Step 2: Convert to fraction form
    577,650.78/797,176.23 = 323,001.30/x
  3. Step 3: Cross multiply
    577,650.78x = 797,176.23 × 323,001.30
  4. Step 4: Simplify right side
    577,650.78x = 257,488,958,619.10
  5. Step 5: Solve for x
    x = 257,488,958,619.10/577,650.78
  6. Step 6: Final answer
    x = 445,751.94

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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.