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Finding the Fourth Proportional to 421,245.88, 632,044.62 and 184,758.28

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Solution

The fourth proportional to 421,245.88, 632,044.62 and 184,758.28 is: 277,214.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,245.88 : 632,044.62 = 184,758.28 : x
  2. Step 2: Convert to fraction form
    421,245.88/632,044.62 = 184,758.28/x
  3. Step 3: Cross multiply
    421,245.88x = 632,044.62 × 184,758.28
  4. Step 4: Simplify right side
    421,245.88x = 116,775,476,874.45
  5. Step 5: Solve for x
    x = 116,775,476,874.45/421,245.88
  6. Step 6: Final answer
    x = 277,214.53

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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.