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Finding the Fourth Proportional to 455,951.27, 683,822.90 and 171,671.79

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Solution

The fourth proportional to 455,951.27, 683,822.90 and 171,671.79 is: 257,468.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,951.27 : 683,822.90 = 171,671.79 : x
  2. Step 2: Convert to fraction form
    455,951.27/683,822.90 = 171,671.79/x
  3. Step 3: Cross multiply
    455,951.27x = 683,822.90 × 171,671.79
  4. Step 4: Simplify right side
    455,951.27x = 117,393,100,427.63
  5. Step 5: Solve for x
    x = 117,393,100,427.63/455,951.27
  6. Step 6: Final answer
    x = 257,468.53

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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.