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Finding the Fourth Proportional to 577,255.10, 796,636.64 and 322,606.28

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Solution

The fourth proportional to 577,255.10, 796,636.64 and 322,606.28 is: 445,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,255.10 : 796,636.64 = 322,606.28 : x
  2. Step 2: Convert to fraction form
    577,255.10/796,636.64 = 322,606.28/x
  3. Step 3: Cross multiply
    577,255.10x = 796,636.64 × 322,606.28
  4. Step 4: Simplify right side
    577,255.10x = 256,999,981,329.07
  5. Step 5: Solve for x
    x = 256,999,981,329.07/577,255.10
  6. Step 6: Final answer
    x = 445,210.42

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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.