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Finding the Fourth Proportional to 294,636.10, 441,954.15 and 168,664.90

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Solution

The fourth proportional to 294,636.10, 441,954.15 and 168,664.90 is: 252,997.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,636.10 : 441,954.15 = 168,664.90 : x
  2. Step 2: Convert to fraction form
    294,636.10/441,954.15 = 168,664.90/x
  3. Step 3: Cross multiply
    294,636.10x = 441,954.15 × 168,664.90
  4. Step 4: Simplify right side
    294,636.10x = 74,542,152,514.34
  5. Step 5: Solve for x
    x = 74,542,152,514.34/294,636.10
  6. Step 6: Final answer
    x = 252,997.35

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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.