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Finding the Fourth Proportional to 577,215.36, 796,543.44 and 322,615.80

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Solution

The fourth proportional to 577,215.36, 796,543.44 and 322,615.80 is: 445,202.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,215.36 : 796,543.44 = 322,615.80 : x
  2. Step 2: Convert to fraction form
    577,215.36/796,543.44 = 322,615.80/x
  3. Step 3: Cross multiply
    577,215.36x = 796,543.44 × 322,615.80
  4. Step 4: Simplify right side
    577,215.36x = 256,977,499,130.35
  5. Step 5: Solve for x
    x = 256,977,499,130.35/577,215.36
  6. Step 6: Final answer
    x = 445,202.12

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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.