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Finding the Fourth Proportional to 275,808.70, 414,101.85 and 170,832.70

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Solution

The fourth proportional to 275,808.70, 414,101.85 and 170,832.70 is: 256,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,808.70 : 414,101.85 = 170,832.70 : x
  2. Step 2: Convert to fraction form
    275,808.70/414,101.85 = 170,832.70/x
  3. Step 3: Cross multiply
    275,808.70x = 414,101.85 × 170,832.70
  4. Step 4: Simplify right side
    275,808.70x = 70,742,137,110.50
  5. Step 5: Solve for x
    x = 70,742,137,110.50/275,808.70
  6. Step 6: Final answer
    x = 256,489.87

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1.5x scale

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.