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Finding the Fourth Proportional to 505,630.32, 758,362.44 and 168,673.56

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Solution

The fourth proportional to 505,630.32, 758,362.44 and 168,673.56 is: 252,982.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,630.32 : 758,362.44 = 168,673.56 : x
  2. Step 2: Convert to fraction form
    505,630.32/758,362.44 = 168,673.56/x
  3. Step 3: Cross multiply
    505,630.32x = 758,362.44 × 168,673.56
  4. Step 4: Simplify right side
    505,630.32x = 127,915,692,525.09
  5. Step 5: Solve for x
    x = 127,915,692,525.09/505,630.32
  6. Step 6: Final answer
    x = 252,982.64

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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.