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Finding the Fourth Proportional to 505,701.05, 758,850.83 and 186,077.36

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Solution

The fourth proportional to 505,701.05, 758,850.83 and 186,077.36 is: 279,226.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,701.05 : 758,850.83 = 186,077.36 : x
  2. Step 2: Convert to fraction form
    505,701.05/758,850.83 = 186,077.36/x
  3. Step 3: Cross multiply
    505,701.05x = 758,850.83 × 186,077.36
  4. Step 4: Simplify right side
    505,701.05x = 141,204,956,476.20
  5. Step 5: Solve for x
    x = 141,204,956,476.20/505,701.05
  6. Step 6: Final answer
    x = 279,226.15

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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.