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Finding the Fourth Proportional to 638,092.11, 957,290.91 and 182,689.68

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Solution

The fourth proportional to 638,092.11, 957,290.91 and 182,689.68 is: 274,078.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,092.11 : 957,290.91 = 182,689.68 : x
  2. Step 2: Convert to fraction form
    638,092.11/957,290.91 = 182,689.68/x
  3. Step 3: Cross multiply
    638,092.11x = 957,290.91 × 182,689.68
  4. Step 4: Simplify right side
    638,092.11x = 174,887,167,534.80
  5. Step 5: Solve for x
    x = 174,887,167,534.80/638,092.11
  6. Step 6: Final answer
    x = 274,078.25

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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.