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Finding the Fourth Proportional to 263,038.20, 394,719.30 and 113,350.20

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Solution

The fourth proportional to 263,038.20, 394,719.30 and 113,350.20 is: 170,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,038.20 : 394,719.30 = 113,350.20 : x
  2. Step 2: Convert to fraction form
    263,038.20/394,719.30 = 113,350.20/x
  3. Step 3: Cross multiply
    263,038.20x = 394,719.30 × 113,350.20
  4. Step 4: Simplify right side
    263,038.20x = 44,741,511,598.86
  5. Step 5: Solve for x
    x = 44,741,511,598.86/263,038.20
  6. Step 6: Final answer
    x = 170,095.11

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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.