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Finding the Fourth Proportional to 336,847.52, 505,202.16 and 126,480.80

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Solution

The fourth proportional to 336,847.52, 505,202.16 and 126,480.80 is: 189,695.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,847.52 : 505,202.16 = 126,480.80 : x
  2. Step 2: Convert to fraction form
    336,847.52/505,202.16 = 126,480.80/x
  3. Step 3: Cross multiply
    336,847.52x = 505,202.16 × 126,480.80
  4. Step 4: Simplify right side
    336,847.52x = 63,898,373,358.53
  5. Step 5: Solve for x
    x = 63,898,373,358.53/336,847.52
  6. Step 6: Final answer
    x = 189,695.25

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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.