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Finding the Fourth Proportional to 337,310.20, 505,965.30 and 242,831.80

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Solution

The fourth proportional to 337,310.20, 505,965.30 and 242,831.80 is: 364,247.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,310.20 : 505,965.30 = 242,831.80 : x
  2. Step 2: Convert to fraction form
    337,310.20/505,965.30 = 242,831.80/x
  3. Step 3: Cross multiply
    337,310.20x = 505,965.30 × 242,831.80
  4. Step 4: Simplify right side
    337,310.20x = 122,864,464,536.54
  5. Step 5: Solve for x
    x = 122,864,464,536.54/337,310.20
  6. Step 6: Final answer
    x = 364,247.70

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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.