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Finding the Fourth Proportional to 351,207.98, 484,668.22 and 190,062.98

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Solution

The fourth proportional to 351,207.98, 484,668.22 and 190,062.98 is: 262,287.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,207.98 : 484,668.22 = 190,062.98 : x
  2. Step 2: Convert to fraction form
    351,207.98/484,668.22 = 190,062.98/x
  3. Step 3: Cross multiply
    351,207.98x = 484,668.22 × 190,062.98
  4. Step 4: Simplify right side
    351,207.98x = 92,117,486,204.50
  5. Step 5: Solve for x
    x = 92,117,486,204.50/351,207.98
  6. Step 6: Final answer
    x = 262,287.57

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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.