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Finding the Fourth Proportional to 395,530.70, 593,323.72 and 195,797.45

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Solution

The fourth proportional to 395,530.70, 593,323.72 and 195,797.45 is: 293,709.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,530.70 : 593,323.72 = 195,797.45 : x
  2. Step 2: Convert to fraction form
    395,530.70/593,323.72 = 195,797.45/x
  3. Step 3: Cross multiply
    395,530.70x = 593,323.72 × 195,797.45
  4. Step 4: Simplify right side
    395,530.70x = 116,171,272,394.33
  5. Step 5: Solve for x
    x = 116,171,272,394.33/395,530.70
  6. Step 6: Final answer
    x = 293,709.88

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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.