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Finding the Fourth Proportional to 252,758.52, 379,137.78 and 173,632.86

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Solution

The fourth proportional to 252,758.52, 379,137.78 and 173,632.86 is: 260,449.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,758.52 : 379,137.78 = 173,632.86 : x
  2. Step 2: Convert to fraction form
    252,758.52/379,137.78 = 173,632.86/x
  3. Step 3: Cross multiply
    252,758.52x = 379,137.78 × 173,632.86
  4. Step 4: Simplify right side
    252,758.52x = 65,830,777,075.45
  5. Step 5: Solve for x
    x = 65,830,777,075.45/252,758.52
  6. Step 6: Final answer
    x = 260,449.29

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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.