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Finding the Fourth Proportional to 354,650.60, 489,311.22 and 233,748.44

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Solution

The fourth proportional to 354,650.60, 489,311.22 and 233,748.44 is: 322,502.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,650.60 : 489,311.22 = 233,748.44 : x
  2. Step 2: Convert to fraction form
    354,650.60/489,311.22 = 233,748.44/x
  3. Step 3: Cross multiply
    354,650.60x = 489,311.22 × 233,748.44
  4. Step 4: Simplify right side
    354,650.60x = 114,375,734,349.50
  5. Step 5: Solve for x
    x = 114,375,734,349.50/354,650.60
  6. Step 6: Final answer
    x = 322,502.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.