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Finding the Fourth Proportional to 259,880.40, 389,957.22 and 184,465.62

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Solution

The fourth proportional to 259,880.40, 389,957.22 and 184,465.62 is: 276,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,880.40 : 389,957.22 = 184,465.62 : x
  2. Step 2: Convert to fraction form
    259,880.40/389,957.22 = 184,465.62/x
  3. Step 3: Cross multiply
    259,880.40x = 389,957.22 × 184,465.62
  4. Step 4: Simplify right side
    259,880.40x = 71,933,700,360.78
  5. Step 5: Solve for x
    x = 71,933,700,360.78/259,880.40
  6. Step 6: Final answer
    x = 276,795.40

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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.