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Finding the Fourth Proportional to 235,007.91, 324,311.32 and 134,405.91

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Solution

The fourth proportional to 235,007.91, 324,311.32 and 134,405.91 is: 185,480.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,007.91 : 324,311.32 = 134,405.91 : x
  2. Step 2: Convert to fraction form
    235,007.91/324,311.32 = 134,405.91/x
  3. Step 3: Cross multiply
    235,007.91x = 324,311.32 × 134,405.91
  4. Step 4: Simplify right side
    235,007.91x = 43,589,355,794.32
  5. Step 5: Solve for x
    x = 43,589,355,794.32/235,007.91
  6. Step 6: Final answer
    x = 185,480.38

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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.