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Finding the Fourth Proportional to 421,954.96, 632,735.64 and 244,512.88

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Solution

The fourth proportional to 421,954.96, 632,735.64 and 244,512.88 is: 366,655.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,954.96 : 632,735.64 = 244,512.88 : x
  2. Step 2: Convert to fraction form
    421,954.96/632,735.64 = 244,512.88/x
  3. Step 3: Cross multiply
    421,954.96x = 632,735.64 × 244,512.88
  4. Step 4: Simplify right side
    421,954.96x = 154,712,013,615.04
  5. Step 5: Solve for x
    x = 154,712,013,615.04/421,954.96
  6. Step 6: Final answer
    x = 366,655.28

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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.