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Finding the Fourth Proportional to 455,158.98, 682,826.55 and 174,654.42

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Solution

The fourth proportional to 455,158.98, 682,826.55 and 174,654.42 is: 262,015.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,158.98 : 682,826.55 = 174,654.42 : x
  2. Step 2: Convert to fraction form
    455,158.98/682,826.55 = 174,654.42/x
  3. Step 3: Cross multiply
    455,158.98x = 682,826.55 × 174,654.42
  4. Step 4: Simplify right side
    455,158.98x = 119,258,675,050.85
  5. Step 5: Solve for x
    x = 119,258,675,050.85/455,158.98
  6. Step 6: Final answer
    x = 262,015.43

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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.