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Finding the Fourth Proportional to 455,372.72, 683,091.89 and 174,889.97

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Solution

The fourth proportional to 455,372.72, 683,091.89 and 174,889.97 is: 262,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,372.72 : 683,091.89 = 174,889.97 : x
  2. Step 2: Convert to fraction form
    455,372.72/683,091.89 = 174,889.97/x
  3. Step 3: Cross multiply
    455,372.72x = 683,091.89 × 174,889.97
  4. Step 4: Simplify right side
    455,372.72x = 119,465,920,982.62
  5. Step 5: Solve for x
    x = 119,465,920,982.62/455,372.72
  6. Step 6: Final answer
    x = 262,347.56

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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.