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Finding the Fourth Proportional to 328,460.06, 492,763.91 and 118,098

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Solution

The fourth proportional to 328,460.06, 492,763.91 and 118,098 is: 177,173.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,460.06 : 492,763.91 = 118,098 : x
  2. Step 2: Convert to fraction form
    328,460.06/492,763.91 = 118,098/x
  3. Step 3: Cross multiply
    328,460.06x = 492,763.91 × 118,098
  4. Step 4: Simplify right side
    328,460.06x = 58,194,431,652.69
  5. Step 5: Solve for x
    x = 58,194,431,652.69/328,460.06
  6. Step 6: Final answer
    x = 177,173.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.