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Finding the Fourth Proportional to 364,847.86, 503,485.14 and 203,705.38

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Solution

The fourth proportional to 364,847.86, 503,485.14 and 203,705.38 is: 281,110.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,847.86 : 503,485.14 = 203,705.38 : x
  2. Step 2: Convert to fraction form
    364,847.86/503,485.14 = 203,705.38/x
  3. Step 3: Cross multiply
    364,847.86x = 503,485.14 × 203,705.38
  4. Step 4: Simplify right side
    364,847.86x = 102,562,631,768.05
  5. Step 5: Solve for x
    x = 102,562,631,768.05/364,847.86
  6. Step 6: Final answer
    x = 281,110.68

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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.