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Finding the Fourth Proportional to 437,240.44, 656,234.50 and 171,187.79

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Solution

The fourth proportional to 437,240.44, 656,234.50 and 171,187.79 is: 256,928.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,240.44 : 656,234.50 = 171,187.79 : x
  2. Step 2: Convert to fraction form
    437,240.44/656,234.50 = 171,187.79/x
  3. Step 3: Cross multiply
    437,240.44x = 656,234.50 × 171,187.79
  4. Step 4: Simplify right side
    437,240.44x = 112,339,333,776.76
  5. Step 5: Solve for x
    x = 112,339,333,776.76/437,240.44
  6. Step 6: Final answer
    x = 256,928.05

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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.