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Finding the Fourth Proportional to 365,015.79, 503,671.95 and 203,850.27

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Solution

The fourth proportional to 365,015.79, 503,671.95 and 203,850.27 is: 281,285.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,015.79 : 503,671.95 = 203,850.27 : x
  2. Step 2: Convert to fraction form
    365,015.79/503,671.95 = 203,850.27/x
  3. Step 3: Cross multiply
    365,015.79x = 503,671.95 × 203,850.27
  4. Step 4: Simplify right side
    365,015.79x = 102,673,662,998.93
  5. Step 5: Solve for x
    x = 102,673,662,998.93/365,015.79
  6. Step 6: Final answer
    x = 281,285.54

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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.