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Finding the Fourth Proportional to 437,433.80, 603,658.64 and 236,229.80

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Solution

The fourth proportional to 437,433.80, 603,658.64 and 236,229.80 is: 325,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,433.80 : 603,658.64 = 236,229.80 : x
  2. Step 2: Convert to fraction form
    437,433.80/603,658.64 = 236,229.80/x
  3. Step 3: Cross multiply
    437,433.80x = 603,658.64 × 236,229.80
  4. Step 4: Simplify right side
    437,433.80x = 142,602,158,745.61
  5. Step 5: Solve for x
    x = 142,602,158,745.61/437,433.80
  6. Step 6: Final answer
    x = 325,997.12

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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.