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Finding the Fourth Proportional to 577,410.88, 796,812.96 and 322,792

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Solution

The fourth proportional to 577,410.88, 796,812.96 and 322,792 is: 445,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,410.88 : 796,812.96 = 322,792 : x
  2. Step 2: Convert to fraction form
    577,410.88/796,812.96 = 322,792/x
  3. Step 3: Cross multiply
    577,410.88x = 796,812.96 × 322,792
  4. Step 4: Simplify right side
    577,410.88x = 257,204,848,984.32
  5. Step 5: Solve for x
    x = 257,204,848,984.32/577,410.88
  6. Step 6: Final answer
    x = 445,445.10

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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.