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Finding the Fourth Proportional to 336,713.40, 505,005.30 and 100,063.80

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Solution

The fourth proportional to 336,713.40, 505,005.30 and 100,063.80 is: 150,076.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,713.40 : 505,005.30 = 100,063.80 : x
  2. Step 2: Convert to fraction form
    336,713.40/505,005.30 = 100,063.80/x
  3. Step 3: Cross multiply
    336,713.40x = 505,005.30 × 100,063.80
  4. Step 4: Simplify right side
    336,713.40x = 50,532,749,338.14
  5. Step 5: Solve for x
    x = 50,532,749,338.14/336,713.40
  6. Step 6: Final answer
    x = 150,076.44

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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.