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Finding the Fourth Proportional to 396,348.66, 594,620.19 and 185,741.10

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Solution

The fourth proportional to 396,348.66, 594,620.19 and 185,741.10 is: 278,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,348.66 : 594,620.19 = 185,741.10 : x
  2. Step 2: Convert to fraction form
    396,348.66/594,620.19 = 185,741.10/x
  3. Step 3: Cross multiply
    396,348.66x = 594,620.19 × 185,741.10
  4. Step 4: Simplify right side
    396,348.66x = 110,445,408,172.81
  5. Step 5: Solve for x
    x = 110,445,408,172.81/396,348.66
  6. Step 6: Final answer
    x = 278,657.20

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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.