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Finding the Fourth Proportional to 335,086.20, 502,629.30 and 193,368.60

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Solution

The fourth proportional to 335,086.20, 502,629.30 and 193,368.60 is: 290,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,086.20 : 502,629.30 = 193,368.60 : x
  2. Step 2: Convert to fraction form
    335,086.20/502,629.30 = 193,368.60/x
  3. Step 3: Cross multiply
    335,086.20x = 502,629.30 × 193,368.60
  4. Step 4: Simplify right side
    335,086.20x = 97,192,724,059.98
  5. Step 5: Solve for x
    x = 97,192,724,059.98/335,086.20
  6. Step 6: Final answer
    x = 290,052.90

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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.