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Finding the Fourth Proportional to 323,768.81, 484,737.39 and 171,619.22

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Solution

The fourth proportional to 323,768.81, 484,737.39 and 171,619.22 is: 256,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,768.81 : 484,737.39 = 171,619.22 : x
  2. Step 2: Convert to fraction form
    323,768.81/484,737.39 = 171,619.22/x
  3. Step 3: Cross multiply
    323,768.81x = 484,737.39 × 171,619.22
  4. Step 4: Simplify right side
    323,768.81x = 83,190,252,776.64
  5. Step 5: Solve for x
    x = 83,190,252,776.64/323,768.81
  6. Step 6: Final answer
    x = 256,943.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.