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Finding the Fourth Proportional to 336,361.05, 504,530.64 and 136,622.34

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Solution

The fourth proportional to 336,361.05, 504,530.64 and 136,622.34 is: 204,929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,361.05 : 504,530.64 = 136,622.34 : x
  2. Step 2: Convert to fraction form
    336,361.05/504,530.64 = 136,622.34/x
  3. Step 3: Cross multiply
    336,361.05x = 504,530.64 × 136,622.34
  4. Step 4: Simplify right side
    336,361.05x = 68,930,156,638.50
  5. Step 5: Solve for x
    x = 68,930,156,638.50/336,361.05
  6. Step 6: Final answer
    x = 204,929.07

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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.