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Finding the Fourth Proportional to 603,356.38, 905,416.05 and 337,291.54

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Solution

The fourth proportional to 603,356.38, 905,416.05 and 337,291.54 is: 506,150.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,356.38 : 905,416.05 = 337,291.54 : x
  2. Step 2: Convert to fraction form
    603,356.38/905,416.05 = 337,291.54/x
  3. Step 3: Cross multiply
    603,356.38x = 905,416.05 × 337,291.54
  4. Step 4: Simplify right side
    603,356.38x = 305,389,173,845.22
  5. Step 5: Solve for x
    x = 305,389,173,845.22/603,356.38
  6. Step 6: Final answer
    x = 506,150.57

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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.