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Finding the Fourth Proportional to 263,410.40, 395,101.76 and 73,883.90

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Solution

The fourth proportional to 263,410.40, 395,101.76 and 73,883.90 is: 110,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,410.40 : 395,101.76 = 73,883.90 : x
  2. Step 2: Convert to fraction form
    263,410.40/395,101.76 = 73,883.90/x
  3. Step 3: Cross multiply
    263,410.40x = 395,101.76 × 73,883.90
  4. Step 4: Simplify right side
    263,410.40x = 29,191,656,580.74
  5. Step 5: Solve for x
    x = 29,191,656,580.74/263,410.40
  6. Step 6: Final answer
    x = 110,821.96

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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.