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Finding the Fourth Proportional to 217,476.60, 325,826.10 and 184,039.80

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Solution

The fourth proportional to 217,476.60, 325,826.10 and 184,039.80 is: 275,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,476.60 : 325,826.10 = 184,039.80 : x
  2. Step 2: Convert to fraction form
    217,476.60/325,826.10 = 184,039.80/x
  3. Step 3: Cross multiply
    217,476.60x = 325,826.10 × 184,039.80
  4. Step 4: Simplify right side
    217,476.60x = 59,964,970,278.78
  5. Step 5: Solve for x
    x = 59,964,970,278.78/217,476.60
  6. Step 6: Final answer
    x = 275,730.68

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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.