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Finding the Fourth Proportional to 231,830.40, 347,745.60 and 175,843.20

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Solution

The fourth proportional to 231,830.40, 347,745.60 and 175,843.20 is: 263,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,830.40 : 347,745.60 = 175,843.20 : x
  2. Step 2: Convert to fraction form
    231,830.40/347,745.60 = 175,843.20/x
  3. Step 3: Cross multiply
    231,830.40x = 347,745.60 × 175,843.20
  4. Step 4: Simplify right side
    231,830.40x = 61,148,699,089.92
  5. Step 5: Solve for x
    x = 61,148,699,089.92/231,830.40
  6. Step 6: Final answer
    x = 263,764.80

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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.