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Finding the Fourth Proportional to 577,189.44, 796,506.72 and 322,542.72

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Solution

The fourth proportional to 577,189.44, 796,506.72 and 322,542.72 is: 445,100.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,189.44 : 796,506.72 = 322,542.72 : x
  2. Step 2: Convert to fraction form
    577,189.44/796,506.72 = 322,542.72/x
  3. Step 3: Cross multiply
    577,189.44x = 796,506.72 × 322,542.72
  4. Step 4: Simplify right side
    577,189.44x = 256,907,443,967.08
  5. Step 5: Solve for x
    x = 256,907,443,967.08/577,189.44
  6. Step 6: Final answer
    x = 445,100.73

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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.