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Finding the Fourth Proportional to 229,234.60, 343,195.80 and 202,990.60

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Solution

The fourth proportional to 229,234.60, 343,195.80 and 202,990.60 is: 303,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,234.60 : 343,195.80 = 202,990.60 : x
  2. Step 2: Convert to fraction form
    229,234.60/343,195.80 = 202,990.60/x
  3. Step 3: Cross multiply
    229,234.60x = 343,195.80 × 202,990.60
  4. Step 4: Simplify right side
    229,234.60x = 69,665,521,359.48
  5. Step 5: Solve for x
    x = 69,665,521,359.48/229,234.60
  6. Step 6: Final answer
    x = 303,904.91

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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.