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Finding the Fourth Proportional to 335,768.70, 503,742.15 and 146,147.70

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Solution

The fourth proportional to 335,768.70, 503,742.15 and 146,147.70 is: 219,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,768.70 : 503,742.15 = 146,147.70 : x
  2. Step 2: Convert to fraction form
    335,768.70/503,742.15 = 146,147.70/x
  3. Step 3: Cross multiply
    335,768.70x = 503,742.15 × 146,147.70
  4. Step 4: Simplify right side
    335,768.70x = 73,620,756,615.56
  5. Step 5: Solve for x
    x = 73,620,756,615.56/335,768.70
  6. Step 6: Final answer
    x = 219,260.33

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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.