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Finding the Fourth Proportional to 395,539.55, 593,337.00 and 195,806.31

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Solution

The fourth proportional to 395,539.55, 593,337.00 and 195,806.31 is: 293,723.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,539.55 : 593,337.00 = 195,806.31 : x
  2. Step 2: Convert to fraction form
    395,539.55/593,337.00 = 195,806.31/x
  3. Step 3: Cross multiply
    395,539.55x = 593,337.00 × 195,806.31
  4. Step 4: Simplify right side
    395,539.55x = 116,179,127,065.73
  5. Step 5: Solve for x
    x = 116,179,127,065.73/395,539.55
  6. Step 6: Final answer
    x = 293,723.16

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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.