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Finding the Fourth Proportional to 336,415.44, 504,720.56 and 99,763.84

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Solution

The fourth proportional to 336,415.44, 504,720.56 and 99,763.84 is: 149,674.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,415.44 : 504,720.56 = 99,763.84 : x
  2. Step 2: Convert to fraction form
    336,415.44/504,720.56 = 99,763.84/x
  3. Step 3: Cross multiply
    336,415.44x = 504,720.56 × 99,763.84
  4. Step 4: Simplify right side
    336,415.44x = 50,352,861,192.55
  5. Step 5: Solve for x
    x = 50,352,861,192.55/336,415.44
  6. Step 6: Final answer
    x = 149,674.64

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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.