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Finding the Fourth Proportional to 437,443.91, 603,672.65 and 236,239.91

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Solution

The fourth proportional to 437,443.91, 603,672.65 and 236,239.91 is: 326,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,443.91 : 603,672.65 = 236,239.91 : x
  2. Step 2: Convert to fraction form
    437,443.91/603,672.65 = 236,239.91/x
  3. Step 3: Cross multiply
    437,443.91x = 603,672.65 × 236,239.91
  4. Step 4: Simplify right side
    437,443.91x = 142,611,568,305.90
  5. Step 5: Solve for x
    x = 142,611,568,305.90/437,443.91
  6. Step 6: Final answer
    x = 326,011.10

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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.