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Finding the Fourth Proportional to 336,415.96, 504,052.70 and 203,015.91

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Solution

The fourth proportional to 336,415.96, 504,052.70 and 203,015.91 is: 304,179.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,415.96 : 504,052.70 = 203,015.91 : x
  2. Step 2: Convert to fraction form
    336,415.96/504,052.70 = 203,015.91/x
  3. Step 3: Cross multiply
    336,415.96x = 504,052.70 × 203,015.91
  4. Step 4: Simplify right side
    336,415.96x = 102,330,715,480.43
  5. Step 5: Solve for x
    x = 102,330,715,480.43/336,415.96
  6. Step 6: Final answer
    x = 304,179.14

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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.