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Finding the Fourth Proportional to 577,156.10, 796,474.15 and 322,507.28

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Solution

The fourth proportional to 577,156.10, 796,474.15 and 322,507.28 is: 445,059.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,156.10 : 796,474.15 = 322,507.28 : x
  2. Step 2: Convert to fraction form
    577,156.10/796,474.15 = 322,507.28/x
  3. Step 3: Cross multiply
    577,156.10x = 796,474.15 × 322,507.28
  4. Step 4: Simplify right side
    577,156.10x = 256,868,712,891.73
  5. Step 5: Solve for x
    x = 256,868,712,891.73/577,156.10
  6. Step 6: Final answer
    x = 445,059.34

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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.