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Finding the Fourth Proportional to 263,000.60, 394,500.90 and 168,522.20

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Solution

The fourth proportional to 263,000.60, 394,500.90 and 168,522.20 is: 252,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,000.60 : 394,500.90 = 168,522.20 : x
  2. Step 2: Convert to fraction form
    263,000.60/394,500.90 = 168,522.20/x
  3. Step 3: Cross multiply
    263,000.60x = 394,500.90 × 168,522.20
  4. Step 4: Simplify right side
    263,000.60x = 66,482,159,569.98
  5. Step 5: Solve for x
    x = 66,482,159,569.98/263,000.60
  6. Step 6: Final answer
    x = 252,783.30

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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.