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Finding the Fourth Proportional to 304,992.02, 420,788.16 and 184,087.37

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Solution

The fourth proportional to 304,992.02, 420,788.16 and 184,087.37 is: 253,979.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,992.02 : 420,788.16 = 184,087.37 : x
  2. Step 2: Convert to fraction form
    304,992.02/420,788.16 = 184,087.37/x
  3. Step 3: Cross multiply
    304,992.02x = 420,788.16 × 184,087.37
  4. Step 4: Simplify right side
    304,992.02x = 77,461,783,597.60
  5. Step 5: Solve for x
    x = 77,461,783,597.60/304,992.02
  6. Step 6: Final answer
    x = 253,979.71

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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.