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Finding the Fourth Proportional to 270,425.34, 405,647.31 and 92,930.82

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Solution

The fourth proportional to 270,425.34, 405,647.31 and 92,930.82 is: 139,399.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,425.34 : 405,647.31 = 92,930.82 : x
  2. Step 2: Convert to fraction form
    270,425.34/405,647.31 = 92,930.82/x
  3. Step 3: Cross multiply
    270,425.34x = 405,647.31 × 92,930.82
  4. Step 4: Simplify right side
    270,425.34x = 37,697,137,149.09
  5. Step 5: Solve for x
    x = 37,697,137,149.09/270,425.34
  6. Step 6: Final answer
    x = 139,399.43

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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.