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Finding the Fourth Proportional to 303,241.06, 454,813.37 and 100,820.34

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Solution

The fourth proportional to 303,241.06, 454,813.37 and 100,820.34 is: 151,214.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,241.06 : 454,813.37 = 100,820.34 : x
  2. Step 2: Convert to fraction form
    303,241.06/454,813.37 = 100,820.34/x
  3. Step 3: Cross multiply
    303,241.06x = 454,813.37 × 100,820.34
  4. Step 4: Simplify right side
    303,241.06x = 45,854,438,599.95
  5. Step 5: Solve for x
    x = 45,854,438,599.95/303,241.06
  6. Step 6: Final answer
    x = 151,214.48

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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.