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Finding the Fourth Proportional to 577,260.73, 796,644.42 and 322,611.91

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Solution

The fourth proportional to 577,260.73, 796,644.42 and 322,611.91 is: 445,218.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,260.73 : 796,644.42 = 322,611.91 : x
  2. Step 2: Convert to fraction form
    577,260.73/796,644.42 = 322,611.91/x
  3. Step 3: Cross multiply
    577,260.73x = 796,644.42 × 322,611.91
  4. Step 4: Simplify right side
    577,260.73x = 257,006,977,927.04
  5. Step 5: Solve for x
    x = 257,006,977,927.04/577,260.73
  6. Step 6: Final answer
    x = 445,218.19

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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.