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Finding the Fourth Proportional to 416,594.25, 624,997.94 and 121,106.25

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Solution

The fourth proportional to 416,594.25, 624,997.94 and 121,106.25 is: 181,690.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,594.25 : 624,997.94 = 121,106.25 : x
  2. Step 2: Convert to fraction form
    416,594.25/624,997.94 = 121,106.25/x
  3. Step 3: Cross multiply
    416,594.25x = 624,997.94 × 121,106.25
  4. Step 4: Simplify right side
    416,594.25x = 75,691,156,165.59
  5. Step 5: Solve for x
    x = 75,691,156,165.59/416,594.25
  6. Step 6: Final answer
    x = 181,690.35

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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.