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Finding the Fourth Proportional to 395,570.54, 593,745.65 and 281,844.68

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Solution

The fourth proportional to 395,570.54, 593,745.65 and 281,844.68 is: 423,044.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,570.54 : 593,745.65 = 281,844.68 : x
  2. Step 2: Convert to fraction form
    395,570.54/593,745.65 = 281,844.68/x
  3. Step 3: Cross multiply
    395,570.54x = 593,745.65 × 281,844.68
  4. Step 4: Simplify right side
    395,570.54x = 167,344,051,316.42
  5. Step 5: Solve for x
    x = 167,344,051,316.42/395,570.54
  6. Step 6: Final answer
    x = 423,044.78

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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.