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Finding the Fourth Proportional to 605,431.48, 908,144.70 and 184,705.96

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Solution

The fourth proportional to 605,431.48, 908,144.70 and 184,705.96 is: 277,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,431.48 : 908,144.70 = 184,705.96 : x
  2. Step 2: Convert to fraction form
    605,431.48/908,144.70 = 184,705.96/x
  3. Step 3: Cross multiply
    605,431.48x = 908,144.70 × 184,705.96
  4. Step 4: Simplify right side
    605,431.48x = 167,739,738,632.41
  5. Step 5: Solve for x
    x = 167,739,738,632.41/605,431.48
  6. Step 6: Final answer
    x = 277,058.17

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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.