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Finding the Fourth Proportional to 351,388.63, 484,915.61 and 190,243.79

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Solution

The fourth proportional to 351,388.63, 484,915.61 and 190,243.79 is: 262,536.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,388.63 : 484,915.61 = 190,243.79 : x
  2. Step 2: Convert to fraction form
    351,388.63/484,915.61 = 190,243.79/x
  3. Step 3: Cross multiply
    351,388.63x = 484,915.61 × 190,243.79
  4. Step 4: Simplify right side
    351,388.63x = 92,252,183,346.03
  5. Step 5: Solve for x
    x = 92,252,183,346.03/351,388.63
  6. Step 6: Final answer
    x = 262,536.05

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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.