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Finding the Fourth Proportional to 437,603.37, 656,142.57 and 171,046.34

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Solution

The fourth proportional to 437,603.37, 656,142.57 and 171,046.34 is: 256,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,603.37 : 656,142.57 = 171,046.34 : x
  2. Step 2: Convert to fraction form
    437,603.37/656,142.57 = 171,046.34/x
  3. Step 3: Cross multiply
    437,603.37x = 656,142.57 × 171,046.34
  4. Step 4: Simplify right side
    437,603.37x = 112,230,781,835.98
  5. Step 5: Solve for x
    x = 112,230,781,835.98/437,603.37
  6. Step 6: Final answer
    x = 256,466.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.