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Finding the Fourth Proportional to 603,958.50, 906,085.68 and 300,495.87

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Solution

The fourth proportional to 603,958.50, 906,085.68 and 300,495.87 is: 450,817.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,958.50 : 906,085.68 = 300,495.87 : x
  2. Step 2: Convert to fraction form
    603,958.50/906,085.68 = 300,495.87/x
  3. Step 3: Cross multiply
    603,958.50x = 906,085.68 × 300,495.87
  4. Step 4: Simplify right side
    603,958.50x = 272,275,004,706.14
  5. Step 5: Solve for x
    x = 272,275,004,706.14/603,958.50
  6. Step 6: Final answer
    x = 450,817.41

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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.