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Finding the Fourth Proportional to 437,478.62, 656,272.68 and 171,204.74

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Solution

The fourth proportional to 437,478.62, 656,272.68 and 171,204.74 is: 256,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,478.62 : 656,272.68 = 171,204.74 : x
  2. Step 2: Convert to fraction form
    437,478.62/656,272.68 = 171,204.74/x
  3. Step 3: Cross multiply
    437,478.62x = 656,272.68 × 171,204.74
  4. Step 4: Simplify right side
    437,478.62x = 112,356,993,548.50
  5. Step 5: Solve for x
    x = 112,356,993,548.50/437,478.62
  6. Step 6: Final answer
    x = 256,828.54

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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.