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Finding the Fourth Proportional to 351,327.22, 527,515.71 and 346,078.42

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Solution

The fourth proportional to 351,327.22, 527,515.71 and 346,078.42 is: 519,634.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,327.22 : 527,515.71 = 346,078.42 : x
  2. Step 2: Convert to fraction form
    351,327.22/527,515.71 = 346,078.42/x
  3. Step 3: Cross multiply
    351,327.22x = 527,515.71 × 346,078.42
  4. Step 4: Simplify right side
    351,327.22x = 182,561,803,441.98
  5. Step 5: Solve for x
    x = 182,561,803,441.98/351,327.22
  6. Step 6: Final answer
    x = 519,634.67

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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.