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Finding the Fourth Proportional to 263,627.79, 395,379.18 and 113,786.22

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Solution

The fourth proportional to 263,627.79, 395,379.18 and 113,786.22 is: 170,652.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,627.79 : 395,379.18 = 113,786.22 : x
  2. Step 2: Convert to fraction form
    263,627.79/395,379.18 = 113,786.22/x
  3. Step 3: Cross multiply
    263,627.79x = 395,379.18 × 113,786.22
  4. Step 4: Simplify right side
    263,627.79x = 44,988,702,358.90
  5. Step 5: Solve for x
    x = 44,988,702,358.90/263,627.79
  6. Step 6: Final answer
    x = 170,652.35

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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.