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Finding the Fourth Proportional to 236,844.40, 355,266.60 and 205,049.20

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Solution

The fourth proportional to 236,844.40, 355,266.60 and 205,049.20 is: 307,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,844.40 : 355,266.60 = 205,049.20 : x
  2. Step 2: Convert to fraction form
    236,844.40/355,266.60 = 205,049.20/x
  3. Step 3: Cross multiply
    236,844.40x = 355,266.60 × 205,049.20
  4. Step 4: Simplify right side
    236,844.40x = 72,847,132,116.72
  5. Step 5: Solve for x
    x = 72,847,132,116.72/236,844.40
  6. Step 6: Final answer
    x = 307,573.80

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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.