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Finding the Fourth Proportional to 333,093.45, 459,819.08 and 212,396.97

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Solution

The fourth proportional to 333,093.45, 459,819.08 and 212,396.97 is: 293,203.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,093.45 : 459,819.08 = 212,396.97 : x
  2. Step 2: Convert to fraction form
    333,093.45/459,819.08 = 212,396.97/x
  3. Step 3: Cross multiply
    333,093.45x = 459,819.08 × 212,396.97
  4. Step 4: Simplify right side
    333,093.45x = 97,664,178,278.20
  5. Step 5: Solve for x
    x = 97,664,178,278.20/333,093.45
  6. Step 6: Final answer
    x = 293,203.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.