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Finding the Fourth Proportional to 236,493.40, 354,740.10 and 206,080.60

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Solution

The fourth proportional to 236,493.40, 354,740.10 and 206,080.60 is: 309,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,493.40 : 354,740.10 = 206,080.60 : x
  2. Step 2: Convert to fraction form
    236,493.40/354,740.10 = 206,080.60/x
  3. Step 3: Cross multiply
    236,493.40x = 354,740.10 × 206,080.60
  4. Step 4: Simplify right side
    236,493.40x = 73,105,052,652.06
  5. Step 5: Solve for x
    x = 73,105,052,652.06/236,493.40
  6. Step 6: Final answer
    x = 309,120.90

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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.