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Finding the Fourth Proportional to 416,894.88, 625,379.22 and 117,378.03

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Solution

The fourth proportional to 416,894.88, 625,379.22 and 117,378.03 is: 176,077.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,894.88 : 625,379.22 = 117,378.03 : x
  2. Step 2: Convert to fraction form
    416,894.88/625,379.22 = 117,378.03/x
  3. Step 3: Cross multiply
    416,894.88x = 625,379.22 × 117,378.03
  4. Step 4: Simplify right side
    416,894.88x = 73,405,780,846.54
  5. Step 5: Solve for x
    x = 73,405,780,846.54/416,894.88
  6. Step 6: Final answer
    x = 176,077.43

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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.