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Finding the Fourth Proportional to 395,246.80, 592,956.60 and 195,662.80

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Solution

The fourth proportional to 395,246.80, 592,956.60 and 195,662.80 is: 293,536.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,246.80 : 592,956.60 = 195,662.80 : x
  2. Step 2: Convert to fraction form
    395,246.80/592,956.60 = 195,662.80/x
  3. Step 3: Cross multiply
    395,246.80x = 592,956.60 × 195,662.80
  4. Step 4: Simplify right side
    395,246.80x = 116,019,548,634.48
  5. Step 5: Solve for x
    x = 116,019,548,634.48/395,246.80
  6. Step 6: Final answer
    x = 293,536.97

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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.