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Finding the Fourth Proportional to 416,708.93, 624,998.21 and 132,362.07

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Solution

The fourth proportional to 416,708.93, 624,998.21 and 132,362.07 is: 198,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,708.93 : 624,998.21 = 132,362.07 : x
  2. Step 2: Convert to fraction form
    416,708.93/624,998.21 = 132,362.07/x
  3. Step 3: Cross multiply
    416,708.93x = 624,998.21 × 132,362.07
  4. Step 4: Simplify right side
    416,708.93x = 82,726,056,821.89
  5. Step 5: Solve for x
    x = 82,726,056,821.89/416,708.93
  6. Step 6: Final answer
    x = 198,522.40

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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.