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Finding the Fourth Proportional to 396,061.52, 594,247.80 and 174,290

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Solution

The fourth proportional to 396,061.52, 594,247.80 and 174,290 is: 261,503.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,061.52 : 594,247.80 = 174,290 : x
  2. Step 2: Convert to fraction form
    396,061.52/594,247.80 = 174,290/x
  3. Step 3: Cross multiply
    396,061.52x = 594,247.80 × 174,290
  4. Step 4: Simplify right side
    396,061.52x = 103,571,449,062.00
  5. Step 5: Solve for x
    x = 103,571,449,062.00/396,061.52
  6. Step 6: Final answer
    x = 261,503.44

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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.