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Finding the Fourth Proportional to 274,734.90, 412,102.35 and 168,446.70

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Solution

The fourth proportional to 274,734.90, 412,102.35 and 168,446.70 is: 252,670.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,734.90 : 412,102.35 = 168,446.70 : x
  2. Step 2: Convert to fraction form
    274,734.90/412,102.35 = 168,446.70/x
  3. Step 3: Cross multiply
    274,734.90x = 412,102.35 × 168,446.70
  4. Step 4: Simplify right side
    274,734.90x = 69,417,280,919.75
  5. Step 5: Solve for x
    x = 69,417,280,919.75/274,734.90
  6. Step 6: Final answer
    x = 252,670.05

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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.