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Finding the Fourth Proportional to 529,428.51, 794,241.18 and 174,456.54

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Solution

The fourth proportional to 529,428.51, 794,241.18 and 174,456.54 is: 261,717.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,428.51 : 794,241.18 = 174,456.54 : x
  2. Step 2: Convert to fraction form
    529,428.51/794,241.18 = 174,456.54/x
  3. Step 3: Cross multiply
    529,428.51x = 794,241.18 × 174,456.54
  4. Step 4: Simplify right side
    529,428.51x = 138,560,568,188.32
  5. Step 5: Solve for x
    x = 138,560,568,188.32/529,428.51
  6. Step 6: Final answer
    x = 261,717.24

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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.