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Finding the Fourth Proportional to 303,420.22, 455,204.41 and 101,015.93

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Solution

The fourth proportional to 303,420.22, 455,204.41 and 101,015.93 is: 151,548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,420.22 : 455,204.41 = 101,015.93 : x
  2. Step 2: Convert to fraction form
    303,420.22/455,204.41 = 101,015.93/x
  3. Step 3: Cross multiply
    303,420.22x = 455,204.41 × 101,015.93
  4. Step 4: Simplify right side
    303,420.22x = 45,982,897,701.72
  5. Step 5: Solve for x
    x = 45,982,897,701.72/303,420.22
  6. Step 6: Final answer
    x = 151,548.56

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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.