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Finding the Fourth Proportional to 229,266.60, 343,243.80 and 203,022.60

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Solution

The fourth proportional to 229,266.60, 343,243.80 and 203,022.60 is: 303,952.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,266.60 : 343,243.80 = 203,022.60 : x
  2. Step 2: Convert to fraction form
    229,266.60/343,243.80 = 203,022.60/x
  3. Step 3: Cross multiply
    229,266.60x = 343,243.80 × 203,022.60
  4. Step 4: Simplify right side
    229,266.60x = 69,686,248,709.88
  5. Step 5: Solve for x
    x = 69,686,248,709.88/229,266.60
  6. Step 6: Final answer
    x = 303,952.90

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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.