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Finding the Fourth Proportional to 577,728.72, 797,271.66 and 323,093.88

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Solution

The fourth proportional to 577,728.72, 797,271.66 and 323,093.88 is: 445,872.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,728.72 : 797,271.66 = 323,093.88 : x
  2. Step 2: Convert to fraction form
    577,728.72/797,271.66 = 323,093.88/x
  3. Step 3: Cross multiply
    577,728.72x = 797,271.66 × 323,093.88
  4. Step 4: Simplify right side
    577,728.72x = 257,593,594,043.44
  5. Step 5: Solve for x
    x = 257,593,594,043.44/577,728.72
  6. Step 6: Final answer
    x = 445,872.92

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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.