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Finding the Fourth Proportional to 577,283.46, 796,616.85 and 319,144.94

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Solution

The fourth proportional to 577,283.46, 796,616.85 and 319,144.94 is: 440,401.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,283.46 : 796,616.85 = 319,144.94 : x
  2. Step 2: Convert to fraction form
    577,283.46/796,616.85 = 319,144.94/x
  3. Step 3: Cross multiply
    577,283.46x = 796,616.85 × 319,144.94
  4. Step 4: Simplify right side
    577,283.46x = 254,236,236,796.24
  5. Step 5: Solve for x
    x = 254,236,236,796.24/577,283.46
  6. Step 6: Final answer
    x = 440,401.04

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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.