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Finding the Fourth Proportional to 354,511.75, 531,607.68 and 101,734.87

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Solution

The fourth proportional to 354,511.75, 531,607.68 and 101,734.87 is: 152,556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,511.75 : 531,607.68 = 101,734.87 : x
  2. Step 2: Convert to fraction form
    354,511.75/531,607.68 = 101,734.87/x
  3. Step 3: Cross multiply
    354,511.75x = 531,607.68 × 101,734.87
  4. Step 4: Simplify right side
    354,511.75x = 54,083,040,412.40
  5. Step 5: Solve for x
    x = 54,083,040,412.40/354,511.75
  6. Step 6: Final answer
    x = 152,556.41

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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.