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Finding the Fourth Proportional to 275,329.91, 379,247.34 and 194,618.67

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Solution

The fourth proportional to 275,329.91, 379,247.34 and 194,618.67 is: 268,073.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,329.91 : 379,247.34 = 194,618.67 : x
  2. Step 2: Convert to fraction form
    275,329.91/379,247.34 = 194,618.67/x
  3. Step 3: Cross multiply
    275,329.91x = 379,247.34 × 194,618.67
  4. Step 4: Simplify right side
    275,329.91x = 73,808,611,938.74
  5. Step 5: Solve for x
    x = 73,808,611,938.74/275,329.91
  6. Step 6: Final answer
    x = 268,073.36

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1.5x scale

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.