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Finding the Fourth Proportional to 337,615.60, 506,480.10 and 100,982.20

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Solution

The fourth proportional to 337,615.60, 506,480.10 and 100,982.20 is: 151,490.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,615.60 : 506,480.10 = 100,982.20 : x
  2. Step 2: Convert to fraction form
    337,615.60/506,480.10 = 100,982.20/x
  3. Step 3: Cross multiply
    337,615.60x = 506,480.10 × 100,982.20
  4. Step 4: Simplify right side
    337,615.60x = 51,145,474,754.22
  5. Step 5: Solve for x
    x = 51,145,474,754.22/337,615.60
  6. Step 6: Final answer
    x = 151,490.26

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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.