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Finding the Fourth Proportional to 337,117.20, 505,092.60 and 218,727.60

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Solution

The fourth proportional to 337,117.20, 505,092.60 and 218,727.60 is: 327,713.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,117.20 : 505,092.60 = 218,727.60 : x
  2. Step 2: Convert to fraction form
    337,117.20/505,092.60 = 218,727.60/x
  3. Step 3: Cross multiply
    337,117.20x = 505,092.60 × 218,727.60
  4. Step 4: Simplify right side
    337,117.20x = 110,477,692,175.76
  5. Step 5: Solve for x
    x = 110,477,692,175.76/337,117.20
  6. Step 6: Final answer
    x = 327,713.01

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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.