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Finding the Fourth Proportional to 313,245.46, 469,762.88 and 113,524.03

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Solution

The fourth proportional to 313,245.46, 469,762.88 and 113,524.03 is: 170,247.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,245.46 : 469,762.88 = 113,524.03 : x
  2. Step 2: Convert to fraction form
    313,245.46/469,762.88 = 113,524.03/x
  3. Step 3: Cross multiply
    313,245.46x = 469,762.88 × 113,524.03
  4. Step 4: Simplify right side
    313,245.46x = 53,329,375,282.01
  5. Step 5: Solve for x
    x = 53,329,375,282.01/313,245.46
  6. Step 6: Final answer
    x = 170,247.88

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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.