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Finding the Fourth Proportional to 363,015.10, 544,522.65 and 262,704.70

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Solution

The fourth proportional to 363,015.10, 544,522.65 and 262,704.70 is: 394,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,015.10 : 544,522.65 = 262,704.70 : x
  2. Step 2: Convert to fraction form
    363,015.10/544,522.65 = 262,704.70/x
  3. Step 3: Cross multiply
    363,015.10x = 544,522.65 × 262,704.70
  4. Step 4: Simplify right side
    363,015.10x = 143,048,659,411.46
  5. Step 5: Solve for x
    x = 143,048,659,411.46/363,015.10
  6. Step 6: Final answer
    x = 394,057.05

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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.