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Finding the Fourth Proportional to 337,475.60, 506,219.40 and 100,821.20

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Solution

The fourth proportional to 337,475.60, 506,219.40 and 100,821.20 is: 151,233.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,475.60 : 506,219.40 = 100,821.20 : x
  2. Step 2: Convert to fraction form
    337,475.60/506,219.40 = 100,821.20/x
  3. Step 3: Cross multiply
    337,475.60x = 506,219.40 × 100,821.20
  4. Step 4: Simplify right side
    337,475.60x = 51,037,647,371.28
  5. Step 5: Solve for x
    x = 51,037,647,371.28/337,475.60
  6. Step 6: Final answer
    x = 151,233.59

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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.