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Finding the Fourth Proportional to 353,282.37, 487,524.90 and 192,133.95

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Solution

The fourth proportional to 353,282.37, 487,524.90 and 192,133.95 is: 265,142.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,282.37 : 487,524.90 = 192,133.95 : x
  2. Step 2: Convert to fraction form
    353,282.37/487,524.90 = 192,133.95/x
  3. Step 3: Cross multiply
    353,282.37x = 487,524.90 × 192,133.95
  4. Step 4: Simplify right side
    353,282.37x = 93,670,084,760.36
  5. Step 5: Solve for x
    x = 93,670,084,760.36/353,282.37
  6. Step 6: Final answer
    x = 265,142.26

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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.