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Finding the Fourth Proportional to 351,173.25, 484,620.37 and 190,028.30

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Solution

The fourth proportional to 351,173.25, 484,620.37 and 190,028.30 is: 262,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,173.25 : 484,620.37 = 190,028.30 : x
  2. Step 2: Convert to fraction form
    351,173.25/484,620.37 = 190,028.30/x
  3. Step 3: Cross multiply
    351,173.25x = 484,620.37 × 190,028.30
  4. Step 4: Simplify right side
    351,173.25x = 92,091,585,056.47
  5. Step 5: Solve for x
    x = 92,091,585,056.47/351,173.25
  6. Step 6: Final answer
    x = 262,239.75

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1.5x scale

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.