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Finding the Fourth Proportional to 263,185.60, 394,774.75 and 63,504.32

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Solution

The fourth proportional to 263,185.60, 394,774.75 and 63,504.32 is: 95,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,185.60 : 394,774.75 = 63,504.32 : x
  2. Step 2: Convert to fraction form
    263,185.60/394,774.75 = 63,504.32/x
  3. Step 3: Cross multiply
    263,185.60x = 394,774.75 × 63,504.32
  4. Step 4: Simplify right side
    263,185.60x = 25,069,902,051.92
  5. Step 5: Solve for x
    x = 25,069,902,051.92/263,185.60
  6. Step 6: Final answer
    x = 95,255.60

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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.