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Finding the Fourth Proportional to 414,591.05, 620,890.02 and 236,558.32

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Solution

The fourth proportional to 414,591.05, 620,890.02 and 236,558.32 is: 354,268.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,591.05 : 620,890.02 = 236,558.32 : x
  2. Step 2: Convert to fraction form
    414,591.05/620,890.02 = 236,558.32/x
  3. Step 3: Cross multiply
    414,591.05x = 620,890.02 × 236,558.32
  4. Step 4: Simplify right side
    414,591.05x = 146,876,698,483.74
  5. Step 5: Solve for x
    x = 146,876,698,483.74/414,591.05
  6. Step 6: Final answer
    x = 354,268.86

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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.