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Finding the Fourth Proportional to 505,684.80, 758,086.56 and 190,056.96

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Solution

The fourth proportional to 505,684.80, 758,086.56 and 190,056.96 is: 284,919.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,684.80 : 758,086.56 = 190,056.96 : x
  2. Step 2: Convert to fraction form
    505,684.80/758,086.56 = 190,056.96/x
  3. Step 3: Cross multiply
    505,684.80x = 758,086.56 × 190,056.96
  4. Step 4: Simplify right side
    505,684.80x = 144,079,627,010.46
  5. Step 5: Solve for x
    x = 144,079,627,010.46/505,684.80
  6. Step 6: Final answer
    x = 284,919.83

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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.