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Finding the Fourth Proportional to 353,898.24, 488,388.48 and 192,762

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Solution

The fourth proportional to 353,898.24, 488,388.48 and 192,762 is: 266,016.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,898.24 : 488,388.48 = 192,762 : x
  2. Step 2: Convert to fraction form
    353,898.24/488,388.48 = 192,762/x
  3. Step 3: Cross multiply
    353,898.24x = 488,388.48 × 192,762
  4. Step 4: Simplify right side
    353,898.24x = 94,142,740,181.76
  5. Step 5: Solve for x
    x = 94,142,740,181.76/353,898.24
  6. Step 6: Final answer
    x = 266,016.41

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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.