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Finding the Fourth Proportional to 577,701.72, 796,959.99 and 373,818.42

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Solution

The fourth proportional to 577,701.72, 796,959.99 and 373,818.42 is: 515,695.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,701.72 : 796,959.99 = 373,818.42 : x
  2. Step 2: Convert to fraction form
    577,701.72/796,959.99 = 373,818.42/x
  3. Step 3: Cross multiply
    577,701.72x = 796,959.99 × 373,818.42
  4. Step 4: Simplify right side
    577,701.72x = 297,918,324,265.02
  5. Step 5: Solve for x
    x = 297,918,324,265.02/577,701.72
  6. Step 6: Final answer
    x = 515,695.75

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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.