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Finding the Fourth Proportional to 577,276.62, 796,642.89 and 322,627.80

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Solution

The fourth proportional to 577,276.62, 796,642.89 and 322,627.80 is: 445,227.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,276.62 : 796,642.89 = 322,627.80 : x
  2. Step 2: Convert to fraction form
    577,276.62/796,642.89 = 322,627.80/x
  3. Step 3: Cross multiply
    577,276.62x = 796,642.89 × 322,627.80
  4. Step 4: Simplify right side
    577,276.62x = 257,019,142,986.34
  5. Step 5: Solve for x
    x = 257,019,142,986.34/577,276.62
  6. Step 6: Final answer
    x = 445,227.01

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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.