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Finding the Fourth Proportional to 605,668.20, 908,502.30 and 184,943.40

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Solution

The fourth proportional to 605,668.20, 908,502.30 and 184,943.40 is: 277,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,668.20 : 908,502.30 = 184,943.40 : x
  2. Step 2: Convert to fraction form
    605,668.20/908,502.30 = 184,943.40/x
  3. Step 3: Cross multiply
    605,668.20x = 908,502.30 × 184,943.40
  4. Step 4: Simplify right side
    605,668.20x = 168,021,504,269.82
  5. Step 5: Solve for x
    x = 168,021,504,269.82/605,668.20
  6. Step 6: Final answer
    x = 277,415.10

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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.