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Finding the Fourth Proportional to 295,450.40, 443,287.26 and 115,664.30

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Solution

The fourth proportional to 295,450.40, 443,287.26 and 115,664.30 is: 173,540.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,450.40 : 443,287.26 = 115,664.30 : x
  2. Step 2: Convert to fraction form
    295,450.40/443,287.26 = 115,664.30/x
  3. Step 3: Cross multiply
    295,450.40x = 443,287.26 × 115,664.30
  4. Step 4: Simplify right side
    295,450.40x = 51,272,510,626.82
  5. Step 5: Solve for x
    x = 51,272,510,626.82/295,450.40
  6. Step 6: Final answer
    x = 173,540.16

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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.