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Finding the Fourth Proportional to 353,180.82, 487,395.63 and 192,036.96

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Solution

The fourth proportional to 353,180.82, 487,395.63 and 192,036.96 is: 265,014.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,180.82 : 487,395.63 = 192,036.96 : x
  2. Step 2: Convert to fraction form
    353,180.82/487,395.63 = 192,036.96/x
  3. Step 3: Cross multiply
    353,180.82x = 487,395.63 × 192,036.96
  4. Step 4: Simplify right side
    353,180.82x = 93,597,975,102.48
  5. Step 5: Solve for x
    x = 93,597,975,102.48/353,180.82
  6. Step 6: Final answer
    x = 265,014.32

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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.