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Finding the Fourth Proportional to 317,893.87, 438,696.41 and 174,654.02

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Solution

The fourth proportional to 317,893.87, 438,696.41 and 174,654.02 is: 241,024.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,893.87 : 438,696.41 = 174,654.02 : x
  2. Step 2: Convert to fraction form
    317,893.87/438,696.41 = 174,654.02/x
  3. Step 3: Cross multiply
    317,893.87x = 438,696.41 × 174,654.02
  4. Step 4: Simplify right side
    317,893.87x = 76,620,091,789.54
  5. Step 5: Solve for x
    x = 76,620,091,789.54/317,893.87
  6. Step 6: Final answer
    x = 241,024.13

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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.