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Finding the Fourth Proportional to 351,371.22, 527,581.71 and 346,122.42

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Solution

The fourth proportional to 351,371.22, 527,581.71 and 346,122.42 is: 519,700.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,371.22 : 527,581.71 = 346,122.42 : x
  2. Step 2: Convert to fraction form
    351,371.22/527,581.71 = 346,122.42/x
  3. Step 3: Cross multiply
    351,371.22x = 527,581.71 × 346,122.42
  4. Step 4: Simplify right side
    351,371.22x = 182,607,858,212.94
  5. Step 5: Solve for x
    x = 182,607,858,212.94/351,371.22
  6. Step 6: Final answer
    x = 519,700.67

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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.