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Finding the Fourth Proportional to 337,101.60, 505,652.40 and 311,440.80

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Solution

The fourth proportional to 337,101.60, 505,652.40 and 311,440.80 is: 467,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,101.60 : 505,652.40 = 311,440.80 : x
  2. Step 2: Convert to fraction form
    337,101.60/505,652.40 = 311,440.80/x
  3. Step 3: Cross multiply
    337,101.60x = 505,652.40 × 311,440.80
  4. Step 4: Simplify right side
    337,101.60x = 157,480,787,977.92
  5. Step 5: Solve for x
    x = 157,480,787,977.92/337,101.60
  6. Step 6: Final answer
    x = 467,161.20

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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.