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Finding the Fourth Proportional to 318,054.94, 438,906.54 and 182,084.38

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Solution

The fourth proportional to 318,054.94, 438,906.54 and 182,084.38 is: 251,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,054.94 : 438,906.54 = 182,084.38 : x
  2. Step 2: Convert to fraction form
    318,054.94/438,906.54 = 182,084.38/x
  3. Step 3: Cross multiply
    318,054.94x = 438,906.54 × 182,084.38
  4. Step 4: Simplify right side
    318,054.94x = 79,918,025,213.85
  5. Step 5: Solve for x
    x = 79,918,025,213.85/318,054.94
  6. Step 6: Final answer
    x = 251,271.13

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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.