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Finding the Fourth Proportional to 337,997.20, 506,995.80 and 197,683.60

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Solution

The fourth proportional to 337,997.20, 506,995.80 and 197,683.60 is: 296,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,997.20 : 506,995.80 = 197,683.60 : x
  2. Step 2: Convert to fraction form
    337,997.20/506,995.80 = 197,683.60/x
  3. Step 3: Cross multiply
    337,997.20x = 506,995.80 × 197,683.60
  4. Step 4: Simplify right side
    337,997.20x = 100,224,754,928.88
  5. Step 5: Solve for x
    x = 100,224,754,928.88/337,997.20
  6. Step 6: Final answer
    x = 296,525.40

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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.