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Finding the Fourth Proportional to 437,240.94, 656,235.25 and 171,188.29

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Solution

The fourth proportional to 437,240.94, 656,235.25 and 171,188.29 is: 256,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,240.94 : 656,235.25 = 171,188.29 : x
  2. Step 2: Convert to fraction form
    437,240.94/656,235.25 = 171,188.29/x
  3. Step 3: Cross multiply
    437,240.94x = 656,235.25 × 171,188.29
  4. Step 4: Simplify right side
    437,240.94x = 112,339,790,285.22
  5. Step 5: Solve for x
    x = 112,339,790,285.22/437,240.94
  6. Step 6: Final answer
    x = 256,928.80

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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.