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Finding the Fourth Proportional to 318,034.39, 438,882.36 and 174,791.36

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Solution

The fourth proportional to 318,034.39, 438,882.36 and 174,791.36 is: 241,209.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,034.39 : 438,882.36 = 174,791.36 : x
  2. Step 2: Convert to fraction form
    318,034.39/438,882.36 = 174,791.36/x
  3. Step 3: Cross multiply
    318,034.39x = 438,882.36 × 174,791.36
  4. Step 4: Simplify right side
    318,034.39x = 76,712,845,020.79
  5. Step 5: Solve for x
    x = 76,712,845,020.79/318,034.39
  6. Step 6: Final answer
    x = 241,209.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.