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Finding the Fourth Proportional to 275,114.44, 379,679.94 and 152,618.91

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Solution

The fourth proportional to 275,114.44, 379,679.94 and 152,618.91 is: 210,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,114.44 : 379,679.94 = 152,618.91 : x
  2. Step 2: Convert to fraction form
    275,114.44/379,679.94 = 152,618.91/x
  3. Step 3: Cross multiply
    275,114.44x = 379,679.94 × 152,618.91
  4. Step 4: Simplify right side
    275,114.44x = 57,946,336,311.72
  5. Step 5: Solve for x
    x = 57,946,336,311.72/275,114.44
  6. Step 6: Final answer
    x = 210,626.30

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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.