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Finding the Fourth Proportional to 629,844.00, 869,158.86 and 354,193.98

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Solution

The fourth proportional to 629,844.00, 869,158.86 and 354,193.98 is: 488,773.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,844.00 : 869,158.86 = 354,193.98 : x
  2. Step 2: Convert to fraction form
    629,844.00/869,158.86 = 354,193.98/x
  3. Step 3: Cross multiply
    629,844.00x = 869,158.86 × 354,193.98
  4. Step 4: Simplify right side
    629,844.00x = 307,850,831,288.09
  5. Step 5: Solve for x
    x = 307,850,831,288.09/629,844.00
  6. Step 6: Final answer
    x = 488,773.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.