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Finding the Fourth Proportional to 437,589.75, 603,874.40 and 236,385.75

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Solution

The fourth proportional to 437,589.75, 603,874.40 and 236,385.75 is: 326,212.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,589.75 : 603,874.40 = 236,385.75 : x
  2. Step 2: Convert to fraction form
    437,589.75/603,874.40 = 236,385.75/x
  3. Step 3: Cross multiply
    437,589.75x = 603,874.40 × 236,385.75
  4. Step 4: Simplify right side
    437,589.75x = 142,747,302,949.80
  5. Step 5: Solve for x
    x = 142,747,302,949.80/437,589.75
  6. Step 6: Final answer
    x = 326,212.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.