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Finding the Fourth Proportional to 408,837.80, 613,256.70 and 184,451.60

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Solution

The fourth proportional to 408,837.80, 613,256.70 and 184,451.60 is: 276,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,837.80 : 613,256.70 = 184,451.60 : x
  2. Step 2: Convert to fraction form
    408,837.80/613,256.70 = 184,451.60/x
  3. Step 3: Cross multiply
    408,837.80x = 613,256.70 × 184,451.60
  4. Step 4: Simplify right side
    408,837.80x = 113,116,179,525.72
  5. Step 5: Solve for x
    x = 113,116,179,525.72/408,837.80
  6. Step 6: Final answer
    x = 276,677.40

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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.