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Finding the Fourth Proportional to 351,168.18, 484,608.63 and 190,019.82

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Solution

The fourth proportional to 351,168.18, 484,608.63 and 190,019.82 is: 262,225.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,168.18 : 484,608.63 = 190,019.82 : x
  2. Step 2: Convert to fraction form
    351,168.18/484,608.63 = 190,019.82/x
  3. Step 3: Cross multiply
    351,168.18x = 484,608.63 × 190,019.82
  4. Step 4: Simplify right side
    351,168.18x = 92,085,244,643.05
  5. Step 5: Solve for x
    x = 92,085,244,643.05/351,168.18
  6. Step 6: Final answer
    x = 262,225.48

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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.