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Finding the Fourth Proportional to 219,840.30, 328,776.30 and 184,410.90

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Solution

The fourth proportional to 219,840.30, 328,776.30 and 184,410.90 is: 275,790.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,840.30 : 328,776.30 = 184,410.90 : x
  2. Step 2: Convert to fraction form
    219,840.30/328,776.30 = 184,410.90/x
  3. Step 3: Cross multiply
    219,840.30x = 328,776.30 × 184,410.90
  4. Step 4: Simplify right side
    219,840.30x = 60,629,933,381.67
  5. Step 5: Solve for x
    x = 60,629,933,381.67/219,840.30
  6. Step 6: Final answer
    x = 275,790.81

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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.