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Finding the Fourth Proportional to 306,555.44, 422,871.64 and 184,015.19

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Solution

The fourth proportional to 306,555.44, 422,871.64 and 184,015.19 is: 253,836.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,555.44 : 422,871.64 = 184,015.19 : x
  2. Step 2: Convert to fraction form
    306,555.44/422,871.64 = 184,015.19/x
  3. Step 3: Cross multiply
    306,555.44x = 422,871.64 × 184,015.19
  4. Step 4: Simplify right side
    306,555.44x = 77,814,805,777.35
  5. Step 5: Solve for x
    x = 77,814,805,777.35/306,555.44
  6. Step 6: Final answer
    x = 253,836.00

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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.