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Finding the Fourth Proportional to 336,993.24, 505,489.62 and 87,675.24

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Solution

The fourth proportional to 336,993.24, 505,489.62 and 87,675.24 is: 131,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,993.24 : 505,489.62 = 87,675.24 : x
  2. Step 2: Convert to fraction form
    336,993.24/505,489.62 = 87,675.24/x
  3. Step 3: Cross multiply
    336,993.24x = 505,489.62 × 87,675.24
  4. Step 4: Simplify right side
    336,993.24x = 44,318,923,751.01
  5. Step 5: Solve for x
    x = 44,318,923,751.01/336,993.24
  6. Step 6: Final answer
    x = 131,512.80

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1.5x scale

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.