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Finding the Fourth Proportional to 416,484.95, 624,727.41 and 100,941.86

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Solution

The fourth proportional to 416,484.95, 624,727.41 and 100,941.86 is: 151,412.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,484.95 : 624,727.41 = 100,941.86 : x
  2. Step 2: Convert to fraction form
    416,484.95/624,727.41 = 100,941.86/x
  3. Step 3: Cross multiply
    416,484.95x = 624,727.41 × 100,941.86
  4. Step 4: Simplify right side
    416,484.95x = 63,061,143,634.75
  5. Step 5: Solve for x
    x = 63,061,143,634.75/416,484.95
  6. Step 6: Final answer
    x = 151,412.78

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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.