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Finding the Fourth Proportional to 452,745.94, 624,653.15 and 271,391.70

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Solution

The fourth proportional to 452,745.94, 624,653.15 and 271,391.70 is: 374,438.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,745.94 : 624,653.15 = 271,391.70 : x
  2. Step 2: Convert to fraction form
    452,745.94/624,653.15 = 271,391.70/x
  3. Step 3: Cross multiply
    452,745.94x = 624,653.15 × 271,391.70
  4. Step 4: Simplify right side
    452,745.94x = 169,525,677,760.67
  5. Step 5: Solve for x
    x = 169,525,677,760.67/452,745.94
  6. Step 6: Final answer
    x = 374,438.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.