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Finding the Fourth Proportional to 365,099.75, 503,792.46 and 203,985.29

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Solution

The fourth proportional to 365,099.75, 503,792.46 and 203,985.29 is: 281,474.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,099.75 : 503,792.46 = 203,985.29 : x
  2. Step 2: Convert to fraction form
    365,099.75/503,792.46 = 203,985.29/x
  3. Step 3: Cross multiply
    365,099.75x = 503,792.46 × 203,985.29
  4. Step 4: Simplify right side
    365,099.75x = 102,766,249,478.56
  5. Step 5: Solve for x
    x = 102,766,249,478.56/365,099.75
  6. Step 6: Final answer
    x = 281,474.44

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1.5x scale

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.