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Finding the Fourth Proportional to 336,300.20, 504,450.30 and 125,910.80

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Solution

The fourth proportional to 336,300.20, 504,450.30 and 125,910.80 is: 188,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,300.20 : 504,450.30 = 125,910.80 : x
  2. Step 2: Convert to fraction form
    336,300.20/504,450.30 = 125,910.80/x
  3. Step 3: Cross multiply
    336,300.20x = 504,450.30 × 125,910.80
  4. Step 4: Simplify right side
    336,300.20x = 63,515,740,833.24
  5. Step 5: Solve for x
    x = 63,515,740,833.24/336,300.20
  6. Step 6: Final answer
    x = 188,866.20

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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.