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Finding the Fourth Proportional to 206,028.46, 310,446.59 and 169,408.87

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Solution

The fourth proportional to 206,028.46, 310,446.59 and 169,408.87 is: 255,267.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,028.46 : 310,446.59 = 169,408.87 : x
  2. Step 2: Convert to fraction form
    206,028.46/310,446.59 = 169,408.87/x
  3. Step 3: Cross multiply
    206,028.46x = 310,446.59 × 169,408.87
  4. Step 4: Simplify right side
    206,028.46x = 52,592,405,337.02
  5. Step 5: Solve for x
    x = 52,592,405,337.02/206,028.46
  6. Step 6: Final answer
    x = 255,267.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.