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Finding the Fourth Proportional to 603,942.87, 905,250 and 248,763.14

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Solution

The fourth proportional to 603,942.87, 905,250 and 248,763.14 is: 372,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,942.87 : 905,250 = 248,763.14 : x
  2. Step 2: Convert to fraction form
    603,942.87/905,250 = 248,763.14/x
  3. Step 3: Cross multiply
    603,942.87x = 905,250 × 248,763.14
  4. Step 4: Simplify right side
    603,942.87x = 225,192,827,958.75
  5. Step 5: Solve for x
    x = 225,192,827,958.75/603,942.87
  6. Step 6: Final answer
    x = 372,871.08

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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.