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Finding the Fourth Proportional to 577,284.12, 796,653.24 and 322,635.30

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Solution

The fourth proportional to 577,284.12, 796,653.24 and 322,635.30 is: 445,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,284.12 : 796,653.24 = 322,635.30 : x
  2. Step 2: Convert to fraction form
    577,284.12/796,653.24 = 322,635.30/x
  3. Step 3: Cross multiply
    577,284.12x = 796,653.24 × 322,635.30
  4. Step 4: Simplify right side
    577,284.12x = 257,028,457,083.37
  5. Step 5: Solve for x
    x = 257,028,457,083.37/577,284.12
  6. Step 6: Final answer
    x = 445,237.36

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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.