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Finding the Fourth Proportional to 455,438.70, 682,064.55 and 244,611.90

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Solution

The fourth proportional to 455,438.70, 682,064.55 and 244,611.90 is: 366,330.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,438.70 : 682,064.55 = 244,611.90 : x
  2. Step 2: Convert to fraction form
    455,438.70/682,064.55 = 244,611.90/x
  3. Step 3: Cross multiply
    455,438.70x = 682,064.55 × 244,611.90
  4. Step 4: Simplify right side
    455,438.70x = 166,841,105,498.15
  5. Step 5: Solve for x
    x = 166,841,105,498.15/455,438.70
  6. Step 6: Final answer
    x = 366,330.54

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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.