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Finding the Fourth Proportional to 437,601.87, 656,140.32 and 171,044.84

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Solution

The fourth proportional to 437,601.87, 656,140.32 and 171,044.84 is: 256,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,601.87 : 656,140.32 = 171,044.84 : x
  2. Step 2: Convert to fraction form
    437,601.87/656,140.32 = 171,044.84/x
  3. Step 3: Cross multiply
    437,601.87x = 656,140.32 × 171,044.84
  4. Step 4: Simplify right side
    437,601.87x = 112,229,412,771.25
  5. Step 5: Solve for x
    x = 112,229,412,771.25/437,601.87
  6. Step 6: Final answer
    x = 256,464.66

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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.