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Finding the Fourth Proportional to 416,986.48, 625,516.44 and 117,469.54

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Solution

The fourth proportional to 416,986.48, 625,516.44 and 117,469.54 is: 176,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,986.48 : 625,516.44 = 117,469.54 : x
  2. Step 2: Convert to fraction form
    416,986.48/625,516.44 = 117,469.54/x
  3. Step 3: Cross multiply
    416,986.48x = 625,516.44 × 117,469.54
  4. Step 4: Simplify right side
    416,986.48x = 73,479,128,469.24
  5. Step 5: Solve for x
    x = 73,479,128,469.24/416,986.48
  6. Step 6: Final answer
    x = 176,214.65

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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.