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Finding the Fourth Proportional to 437,168.57, 603,302.91 and 243,589.37

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Solution

The fourth proportional to 437,168.57, 603,302.91 and 243,589.37 is: 336,159.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,168.57 : 603,302.91 = 243,589.37 : x
  2. Step 2: Convert to fraction form
    437,168.57/603,302.91 = 243,589.37/x
  3. Step 3: Cross multiply
    437,168.57x = 603,302.91 × 243,589.37
  4. Step 4: Simplify right side
    437,168.57x = 146,958,175,766.07
  5. Step 5: Solve for x
    x = 146,958,175,766.07/437,168.57
  6. Step 6: Final answer
    x = 336,159.06

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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.