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Finding the Fourth Proportional to 440,023.80, 659,906.10 and 173,695.80

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Solution

The fourth proportional to 440,023.80, 659,906.10 and 173,695.80 is: 260,492.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,023.80 : 659,906.10 = 173,695.80 : x
  2. Step 2: Convert to fraction form
    440,023.80/659,906.10 = 173,695.80/x
  3. Step 3: Cross multiply
    440,023.80x = 659,906.10 × 173,695.80
  4. Step 4: Simplify right side
    440,023.80x = 114,622,917,964.38
  5. Step 5: Solve for x
    x = 114,622,917,964.38/440,023.80
  6. Step 6: Final answer
    x = 260,492.54

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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.