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Finding the Fourth Proportional to 577,265.85, 796,628.05 and 322,617.04

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Solution

The fourth proportional to 577,265.85, 796,628.05 and 322,617.04 is: 445,212.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,265.85 : 796,628.05 = 322,617.04 : x
  2. Step 2: Convert to fraction form
    577,265.85/796,628.05 = 322,617.04/x
  3. Step 3: Cross multiply
    577,265.85x = 796,628.05 × 322,617.04
  4. Step 4: Simplify right side
    577,265.85x = 257,005,780,673.86
  5. Step 5: Solve for x
    x = 257,005,780,673.86/577,265.85
  6. Step 6: Final answer
    x = 445,212.17

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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.