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Finding the Fourth Proportional to 577,210.80, 796,548.60 and 322,561.92

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Solution

The fourth proportional to 577,210.80, 796,548.60 and 322,561.92 is: 445,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,210.80 : 796,548.60 = 322,561.92 : x
  2. Step 2: Convert to fraction form
    577,210.80/796,548.60 = 322,561.92/x
  3. Step 3: Cross multiply
    577,210.80x = 796,548.60 × 322,561.92
  4. Step 4: Simplify right side
    577,210.80x = 256,936,245,789.31
  5. Step 5: Solve for x
    x = 256,936,245,789.31/577,210.80
  6. Step 6: Final answer
    x = 445,134.16

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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.