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Finding the Fourth Proportional to 437,589.57, 603,872.70 and 236,385.57

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Solution

The fourth proportional to 437,589.57, 603,872.70 and 236,385.57 is: 326,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,589.57 : 603,872.70 = 236,385.57 : x
  2. Step 2: Convert to fraction form
    437,589.57/603,872.70 = 236,385.57/x
  3. Step 3: Cross multiply
    437,589.57x = 603,872.70 × 236,385.57
  4. Step 4: Simplify right side
    437,589.57x = 142,746,792,396.94
  5. Step 5: Solve for x
    x = 142,746,792,396.94/437,589.57
  6. Step 6: Final answer
    x = 326,211.60

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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.