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Finding the Fourth Proportional to 337,611.20, 506,493.60 and 197,297.60

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Solution

The fourth proportional to 337,611.20, 506,493.60 and 197,297.60 is: 295,991.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,611.20 : 506,493.60 = 197,297.60 : x
  2. Step 2: Convert to fraction form
    337,611.20/506,493.60 = 197,297.60/x
  3. Step 3: Cross multiply
    337,611.20x = 506,493.60 × 197,297.60
  4. Step 4: Simplify right side
    337,611.20x = 99,929,971,695.36
  5. Step 5: Solve for x
    x = 99,929,971,695.36/337,611.20
  6. Step 6: Final answer
    x = 295,991.28

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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.