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Finding the Fourth Proportional to 436,902.12, 603,110.75 and 293,745.15

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Solution

The fourth proportional to 436,902.12, 603,110.75 and 293,745.15 is: 405,493.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,902.12 : 603,110.75 = 293,745.15 : x
  2. Step 2: Convert to fraction form
    436,902.12/603,110.75 = 293,745.15/x
  3. Step 3: Cross multiply
    436,902.12x = 603,110.75 × 293,745.15
  4. Step 4: Simplify right side
    436,902.12x = 177,160,856,256.64
  5. Step 5: Solve for x
    x = 177,160,856,256.64/436,902.12
  6. Step 6: Final answer
    x = 405,493.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.