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Finding the Fourth Proportional to 297,354.58, 410,352.23 and 161,389.73

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Solution

The fourth proportional to 297,354.58, 410,352.23 and 161,389.73 is: 222,719.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,354.58 : 410,352.23 = 161,389.73 : x
  2. Step 2: Convert to fraction form
    297,354.58/410,352.23 = 161,389.73/x
  3. Step 3: Cross multiply
    297,354.58x = 410,352.23 × 161,389.73
  4. Step 4: Simplify right side
    297,354.58x = 66,226,635,604.60
  5. Step 5: Solve for x
    x = 66,226,635,604.60/297,354.58
  6. Step 6: Final answer
    x = 222,719.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.