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Finding the Fourth Proportional to 328,603.08, 492,604.92 and 118,192.68

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Solution

The fourth proportional to 328,603.08, 492,604.92 and 118,192.68 is: 177,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,603.08 : 492,604.92 = 118,192.68 : x
  2. Step 2: Convert to fraction form
    328,603.08/492,604.92 = 118,192.68/x
  3. Step 3: Cross multiply
    328,603.08x = 492,604.92 × 118,192.68
  4. Step 4: Simplify right side
    328,603.08x = 58,222,295,675.99
  5. Step 5: Solve for x
    x = 58,222,295,675.99/328,603.08
  6. Step 6: Final answer
    x = 177,181.22

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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.