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Finding the Fourth Proportional to 306,683.79, 423,268.83 and 184,184.43

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Solution

The fourth proportional to 306,683.79, 423,268.83 and 184,184.43 is: 254,201.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,683.79 : 423,268.83 = 184,184.43 : x
  2. Step 2: Convert to fraction form
    306,683.79/423,268.83 = 184,184.43/x
  3. Step 3: Cross multiply
    306,683.79x = 423,268.83 × 184,184.43
  4. Step 4: Simplify right side
    306,683.79x = 77,959,528,190.32
  5. Step 5: Solve for x
    x = 77,959,528,190.32/306,683.79
  6. Step 6: Final answer
    x = 254,201.66

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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.