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Finding the Fourth Proportional to 379,666, 569,594.22 and 113,425.48

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Solution

The fourth proportional to 379,666, 569,594.22 and 113,425.48 is: 170,166.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,666 : 569,594.22 = 113,425.48 : x
  2. Step 2: Convert to fraction form
    379,666/569,594.22 = 113,425.48/x
  3. Step 3: Cross multiply
    379,666x = 569,594.22 × 113,425.48
  4. Step 4: Simplify right side
    379,666x = 64,606,497,808.73
  5. Step 5: Solve for x
    x = 64,606,497,808.73/379,666
  6. Step 6: Final answer
    x = 170,166.67

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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.