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Finding the Fourth Proportional to 416,882.86, 625,361.20 and 117,366.04

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Solution

The fourth proportional to 416,882.86, 625,361.20 and 117,366.04 is: 176,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,882.86 : 625,361.20 = 117,366.04 : x
  2. Step 2: Convert to fraction form
    416,882.86/625,361.20 = 117,366.04/x
  3. Step 3: Cross multiply
    416,882.86x = 625,361.20 × 117,366.04
  4. Step 4: Simplify right side
    416,882.86x = 73,396,166,920.77
  5. Step 5: Solve for x
    x = 73,396,166,920.77/416,882.86
  6. Step 6: Final answer
    x = 176,059.45

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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.