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Finding the Fourth Proportional to 577,259.10, 796,642.16 and 322,610.28

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Solution

The fourth proportional to 577,259.10, 796,642.16 and 322,610.28 is: 445,215.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,259.10 : 796,642.16 = 322,610.28 : x
  2. Step 2: Convert to fraction form
    577,259.10/796,642.16 = 322,610.28/x
  3. Step 3: Cross multiply
    577,259.10x = 796,642.16 × 322,610.28
  4. Step 4: Simplify right side
    577,259.10x = 257,004,950,297.41
  5. Step 5: Solve for x
    x = 257,004,950,297.41/577,259.10
  6. Step 6: Final answer
    x = 445,215.94

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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.