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Finding the Fourth Proportional to 414,588.67, 620,886.45 and 236,555.95

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Solution

The fourth proportional to 414,588.67, 620,886.45 and 236,555.95 is: 354,265.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,588.67 : 620,886.45 = 236,555.95 : x
  2. Step 2: Convert to fraction form
    414,588.67/620,886.45 = 236,555.95/x
  3. Step 3: Cross multiply
    414,588.67x = 620,886.45 × 236,555.95
  4. Step 4: Simplify right side
    414,588.67x = 146,874,384,021.88
  5. Step 5: Solve for x
    x = 146,874,384,021.88/414,588.67
  6. Step 6: Final answer
    x = 354,265.31

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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.