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Finding the Fourth Proportional to 481,355.72, 722,050.32 and 228,505.95

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Solution

The fourth proportional to 481,355.72, 722,050.32 and 228,505.95 is: 342,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,355.72 : 722,050.32 = 228,505.95 : x
  2. Step 2: Convert to fraction form
    481,355.72/722,050.32 = 228,505.95/x
  3. Step 3: Cross multiply
    481,355.72x = 722,050.32 × 228,505.95
  4. Step 4: Simplify right side
    481,355.72x = 164,992,794,319.40
  5. Step 5: Solve for x
    x = 164,992,794,319.40/481,355.72
  6. Step 6: Final answer
    x = 342,766.87

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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.