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Finding the Fourth Proportional to 395,665.98, 593,474.34 and 170,868.84

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Solution

The fourth proportional to 395,665.98, 593,474.34 and 170,868.84 is: 256,292.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,665.98 : 593,474.34 = 170,868.84 : x
  2. Step 2: Convert to fraction form
    395,665.98/593,474.34 = 170,868.84/x
  3. Step 3: Cross multiply
    395,665.98x = 593,474.34 × 170,868.84
  4. Step 4: Simplify right side
    395,665.98x = 101,406,272,045.57
  5. Step 5: Solve for x
    x = 101,406,272,045.57/395,665.98
  6. Step 6: Final answer
    x = 256,292.62

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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.