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Finding the Fourth Proportional to 451,193.72, 677,121.36 and 363,505.94

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Solution

The fourth proportional to 451,193.72, 677,121.36 and 363,505.94 is: 545,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,193.72 : 677,121.36 = 363,505.94 : x
  2. Step 2: Convert to fraction form
    451,193.72/677,121.36 = 363,505.94/x
  3. Step 3: Cross multiply
    451,193.72x = 677,121.36 × 363,505.94
  4. Step 4: Simplify right side
    451,193.72x = 246,137,636,460.88
  5. Step 5: Solve for x
    x = 246,137,636,460.88/451,193.72
  6. Step 6: Final answer
    x = 545,525.40

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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.