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Finding the Fourth Proportional to 345,891.80, 477,288.23 and 192,894.14

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Solution

The fourth proportional to 345,891.80, 477,288.23 and 192,894.14 is: 266,170.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,891.80 : 477,288.23 = 192,894.14 : x
  2. Step 2: Convert to fraction form
    345,891.80/477,288.23 = 192,894.14/x
  3. Step 3: Cross multiply
    345,891.80x = 477,288.23 × 192,894.14
  4. Step 4: Simplify right side
    345,891.80x = 92,066,099,307.06
  5. Step 5: Solve for x
    x = 92,066,099,307.06/345,891.80
  6. Step 6: Final answer
    x = 266,170.23

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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.