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Finding the Fourth Proportional to 437,540, 603,805.44 and 236,336

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Solution

The fourth proportional to 437,540, 603,805.44 and 236,336 is: 326,143.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,540 : 603,805.44 = 236,336 : x
  2. Step 2: Convert to fraction form
    437,540/603,805.44 = 236,336/x
  3. Step 3: Cross multiply
    437,540x = 603,805.44 × 236,336
  4. Step 4: Simplify right side
    437,540x = 142,700,962,467.84
  5. Step 5: Solve for x
    x = 142,700,962,467.84/437,540
  6. Step 6: Final answer
    x = 326,143.81

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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.