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Finding the Fourth Proportional to 395,616.84, 593,425.08 and 262,756.44

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Solution

The fourth proportional to 395,616.84, 593,425.08 and 262,756.44 is: 394,134.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,616.84 : 593,425.08 = 262,756.44 : x
  2. Step 2: Convert to fraction form
    395,616.84/593,425.08 = 262,756.44/x
  3. Step 3: Cross multiply
    395,616.84x = 593,425.08 × 262,756.44
  4. Step 4: Simplify right side
    395,616.84x = 155,926,261,427.52
  5. Step 5: Solve for x
    x = 155,926,261,427.52/395,616.84
  6. Step 6: Final answer
    x = 394,134.54

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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.