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Finding the Fourth Proportional to 577,313.52, 796,709.28 and 322,665.36

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Solution

The fourth proportional to 577,313.52, 796,709.28 and 322,665.36 is: 445,287.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,313.52 : 796,709.28 = 322,665.36 : x
  2. Step 2: Convert to fraction form
    577,313.52/796,709.28 = 322,665.36/x
  3. Step 3: Cross multiply
    577,313.52x = 796,709.28 × 322,665.36
  4. Step 4: Simplify right side
    577,313.52x = 257,070,486,646.54
  5. Step 5: Solve for x
    x = 257,070,486,646.54/577,313.52
  6. Step 6: Final answer
    x = 445,287.49

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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.