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Finding the Fourth Proportional to 303,344.96, 455,015.52 and 103,568.96

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Solution

The fourth proportional to 303,344.96, 455,015.52 and 103,568.96 is: 155,352.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,344.96 : 455,015.52 = 103,568.96 : x
  2. Step 2: Convert to fraction form
    303,344.96/455,015.52 = 103,568.96/x
  3. Step 3: Cross multiply
    303,344.96x = 455,015.52 × 103,568.96
  4. Step 4: Simplify right side
    303,344.96x = 47,125,484,190.26
  5. Step 5: Solve for x
    x = 47,125,484,190.26/303,344.96
  6. Step 6: Final answer
    x = 155,352.78

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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.