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Finding the Fourth Proportional to 351,185.74, 484,637.60 and 190,040.77

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Solution

The fourth proportional to 351,185.74, 484,637.60 and 190,040.77 is: 262,256.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,185.74 : 484,637.60 = 190,040.77 : x
  2. Step 2: Convert to fraction form
    351,185.74/484,637.60 = 190,040.77/x
  3. Step 3: Cross multiply
    351,185.74x = 484,637.60 × 190,040.77
  4. Step 4: Simplify right side
    351,185.74x = 92,100,902,199.85
  5. Step 5: Solve for x
    x = 92,100,902,199.85/351,185.74
  6. Step 6: Final answer
    x = 262,256.95

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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.