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Finding the Fourth Proportional to 416,493.63, 624,740.52 and 100,950.57

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Solution

The fourth proportional to 416,493.63, 624,740.52 and 100,950.57 is: 151,425.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,493.63 : 624,740.52 = 100,950.57 : x
  2. Step 2: Convert to fraction form
    416,493.63/624,740.52 = 100,950.57/x
  3. Step 3: Cross multiply
    416,493.63x = 624,740.52 × 100,950.57
  4. Step 4: Simplify right side
    416,493.63x = 63,067,911,596.10
  5. Step 5: Solve for x
    x = 63,067,911,596.10/416,493.63
  6. Step 6: Final answer
    x = 151,425.87

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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.