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Finding the Fourth Proportional to 303,992, 455,994.48 and 104,311.52

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Solution

The fourth proportional to 303,992, 455,994.48 and 104,311.52 is: 156,469.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,992 : 455,994.48 = 104,311.52 : x
  2. Step 2: Convert to fraction form
    303,992/455,994.48 = 104,311.52/x
  3. Step 3: Cross multiply
    303,992x = 455,994.48 × 104,311.52
  4. Step 4: Simplify right side
    303,992x = 47,565,477,320.41
  5. Step 5: Solve for x
    x = 47,565,477,320.41/303,992
  6. Step 6: Final answer
    x = 156,469.50

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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.