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Finding the Fourth Proportional to 416,880.52, 625,009.74 and 195,212.68

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Solution

The fourth proportional to 416,880.52, 625,009.74 and 195,212.68 is: 292,673.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,880.52 : 625,009.74 = 195,212.68 : x
  2. Step 2: Convert to fraction form
    416,880.52/625,009.74 = 195,212.68/x
  3. Step 3: Cross multiply
    416,880.52x = 625,009.74 × 195,212.68
  4. Step 4: Simplify right side
    416,880.52x = 122,009,826,371.50
  5. Step 5: Solve for x
    x = 122,009,826,371.50/416,880.52
  6. Step 6: Final answer
    x = 292,673.37

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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.