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Finding the Fourth Proportional to 603,358.44, 905,418.90 and 337,293.69

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Solution

The fourth proportional to 603,358.44, 905,418.90 and 337,293.69 is: 506,153.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,358.44 : 905,418.90 = 337,293.69 : x
  2. Step 2: Convert to fraction form
    603,358.44/905,418.90 = 337,293.69/x
  3. Step 3: Cross multiply
    603,358.44x = 905,418.90 × 337,293.69
  4. Step 4: Simplify right side
    603,358.44x = 305,392,081,776.74
  5. Step 5: Solve for x
    x = 305,392,081,776.74/603,358.44
  6. Step 6: Final answer
    x = 506,153.66

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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.