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Finding the Fourth Proportional to 273,215.40, 410,082.30 and 168,239.40

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Solution

The fourth proportional to 273,215.40, 410,082.30 and 168,239.40 is: 252,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,215.40 : 410,082.30 = 168,239.40 : x
  2. Step 2: Convert to fraction form
    273,215.40/410,082.30 = 168,239.40/x
  3. Step 3: Cross multiply
    273,215.40x = 410,082.30 × 168,239.40
  4. Step 4: Simplify right side
    273,215.40x = 68,992,000,102.62
  5. Step 5: Solve for x
    x = 68,992,000,102.62/273,215.40
  6. Step 6: Final answer
    x = 252,518.71

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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.