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Finding the Fourth Proportional to 240,727.60, 361,091.40 and 202,236.40

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Solution

The fourth proportional to 240,727.60, 361,091.40 and 202,236.40 is: 303,354.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,727.60 : 361,091.40 = 202,236.40 : x
  2. Step 2: Convert to fraction form
    240,727.60/361,091.40 = 202,236.40/x
  3. Step 3: Cross multiply
    240,727.60x = 361,091.40 × 202,236.40
  4. Step 4: Simplify right side
    240,727.60x = 73,025,824,806.96
  5. Step 5: Solve for x
    x = 73,025,824,806.96/240,727.60
  6. Step 6: Final answer
    x = 303,354.60

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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.