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Finding the Fourth Proportional to 351,212.48, 484,674.72 and 190,067.53

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Solution

The fourth proportional to 351,212.48, 484,674.72 and 190,067.53 is: 262,294.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,212.48 : 484,674.72 = 190,067.53 : x
  2. Step 2: Convert to fraction form
    351,212.48/484,674.72 = 190,067.53/x
  3. Step 3: Cross multiply
    351,212.48x = 484,674.72 × 190,067.53
  4. Step 4: Simplify right side
    351,212.48x = 92,120,926,883.84
  5. Step 5: Solve for x
    x = 92,120,926,883.84/351,212.48
  6. Step 6: Final answer
    x = 262,294.01

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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.