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Finding the Fourth Proportional to 489,211.60, 733,817.40 and 236,613.10

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Solution

The fourth proportional to 489,211.60, 733,817.40 and 236,613.10 is: 354,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,211.60 : 733,817.40 = 236,613.10 : x
  2. Step 2: Convert to fraction form
    489,211.60/733,817.40 = 236,613.10/x
  3. Step 3: Cross multiply
    489,211.60x = 733,817.40 × 236,613.10
  4. Step 4: Simplify right side
    489,211.60x = 173,630,809,847.94
  5. Step 5: Solve for x
    x = 173,630,809,847.94/489,211.60
  6. Step 6: Final answer
    x = 354,919.65

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Similar ratio
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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.