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Finding the Fourth Proportional to 417,293.52, 625,940.28 and 195,625.68

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Solution

The fourth proportional to 417,293.52, 625,940.28 and 195,625.68 is: 293,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,293.52 : 625,940.28 = 195,625.68 : x
  2. Step 2: Convert to fraction form
    417,293.52/625,940.28 = 195,625.68/x
  3. Step 3: Cross multiply
    417,293.52x = 625,940.28 × 195,625.68
  4. Step 4: Simplify right side
    417,293.52x = 122,449,992,914.39
  5. Step 5: Solve for x
    x = 122,449,992,914.39/417,293.52
  6. Step 6: Final answer
    x = 293,438.52

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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.