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Finding the Fourth Proportional to 396,348.16, 594,619.44 and 185,740.60

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Solution

The fourth proportional to 396,348.16, 594,619.44 and 185,740.60 is: 278,656.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,348.16 : 594,619.44 = 185,740.60 : x
  2. Step 2: Convert to fraction form
    396,348.16/594,619.44 = 185,740.60/x
  3. Step 3: Cross multiply
    396,348.16x = 594,619.44 × 185,740.60
  4. Step 4: Simplify right side
    396,348.16x = 110,444,971,557.26
  5. Step 5: Solve for x
    x = 110,444,971,557.26/396,348.16
  6. Step 6: Final answer
    x = 278,656.45

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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.