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Finding the Fourth Proportional to 505,795.92, 758,732.76 and 190,245.84

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Solution

The fourth proportional to 505,795.92, 758,732.76 and 190,245.84 is: 285,383.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,795.92 : 758,732.76 = 190,245.84 : x
  2. Step 2: Convert to fraction form
    505,795.92/758,732.76 = 190,245.84/x
  3. Step 3: Cross multiply
    505,795.92x = 758,732.76 × 190,245.84
  4. Step 4: Simplify right side
    505,795.92x = 144,345,751,261.72
  5. Step 5: Solve for x
    x = 144,345,751,261.72/505,795.92
  6. Step 6: Final answer
    x = 285,383.38

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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.