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Finding the Fourth Proportional to 244,851.80, 366,840.30 and 209,859.80

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Solution

The fourth proportional to 244,851.80, 366,840.30 and 209,859.80 is: 314,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,851.80 : 366,840.30 = 209,859.80 : x
  2. Step 2: Convert to fraction form
    244,851.80/366,840.30 = 209,859.80/x
  3. Step 3: Cross multiply
    244,851.80x = 366,840.30 × 209,859.80
  4. Step 4: Simplify right side
    244,851.80x = 76,985,031,989.94
  5. Step 5: Solve for x
    x = 76,985,031,989.94/244,851.80
  6. Step 6: Final answer
    x = 314,414.81

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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.