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Finding the Fourth Proportional to 431,961.92, 596,033.62 and 250,632.28

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Solution

The fourth proportional to 431,961.92, 596,033.62 and 250,632.28 is: 345,829.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,961.92 : 596,033.62 = 250,632.28 : x
  2. Step 2: Convert to fraction form
    431,961.92/596,033.62 = 250,632.28/x
  3. Step 3: Cross multiply
    431,961.92x = 596,033.62 × 250,632.28
  4. Step 4: Simplify right side
    431,961.92x = 149,385,265,137.25
  5. Step 5: Solve for x
    x = 149,385,265,137.25/431,961.92
  6. Step 6: Final answer
    x = 345,829.71

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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.