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Finding the Fourth Proportional to 419,611.84, 628,671.44 and 241,751.34

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Solution

The fourth proportional to 419,611.84, 628,671.44 and 241,751.34 is: 362,197.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,611.84 : 628,671.44 = 241,751.34 : x
  2. Step 2: Convert to fraction form
    419,611.84/628,671.44 = 241,751.34/x
  3. Step 3: Cross multiply
    419,611.84x = 628,671.44 × 241,751.34
  4. Step 4: Simplify right side
    419,611.84x = 151,982,163,039.73
  5. Step 5: Solve for x
    x = 151,982,163,039.73/419,611.84
  6. Step 6: Final answer
    x = 362,197.03

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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.