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Finding the Fourth Proportional to 437,576, 603,855.42 and 236,372

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Solution

The fourth proportional to 437,576, 603,855.42 and 236,372 is: 326,193.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,576 : 603,855.42 = 236,372 : x
  2. Step 2: Convert to fraction form
    437,576/603,855.42 = 236,372/x
  3. Step 3: Cross multiply
    437,576x = 603,855.42 × 236,372
  4. Step 4: Simplify right side
    437,576x = 142,734,513,336.24
  5. Step 5: Solve for x
    x = 142,734,513,336.24/437,576
  6. Step 6: Final answer
    x = 326,193.65

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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.