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Finding the Fourth Proportional to 577,916.71, 797,481.72 and 323,218.69

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Solution

The fourth proportional to 577,916.71, 797,481.72 and 323,218.69 is: 446,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,916.71 : 797,481.72 = 323,218.69 : x
  2. Step 2: Convert to fraction form
    577,916.71/797,481.72 = 323,218.69/x
  3. Step 3: Cross multiply
    577,916.71x = 797,481.72 × 323,218.69
  4. Step 4: Simplify right side
    577,916.71x = 257,760,994,843.64
  5. Step 5: Solve for x
    x = 257,760,994,843.64/577,916.71
  6. Step 6: Final answer
    x = 446,017.55

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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.