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Finding the Fourth Proportional to 275,890.64, 380,770.20 and 168,522.44

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Solution

The fourth proportional to 275,890.64, 380,770.20 and 168,522.44 is: 232,586.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,890.64 : 380,770.20 = 168,522.44 : x
  2. Step 2: Convert to fraction form
    275,890.64/380,770.20 = 168,522.44/x
  3. Step 3: Cross multiply
    275,890.64x = 380,770.20 × 168,522.44
  4. Step 4: Simplify right side
    275,890.64x = 64,168,323,183.29
  5. Step 5: Solve for x
    x = 64,168,323,183.29/275,890.64
  6. Step 6: Final answer
    x = 232,586.08

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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.