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Finding the Fourth Proportional to 349,173.27, 481,436.43 and 271,671.45

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Solution

The fourth proportional to 349,173.27, 481,436.43 and 271,671.45 is: 374,577.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,173.27 : 481,436.43 = 271,671.45 : x
  2. Step 2: Convert to fraction form
    349,173.27/481,436.43 = 271,671.45/x
  3. Step 3: Cross multiply
    349,173.27x = 481,436.43 × 271,671.45
  4. Step 4: Simplify right side
    349,173.27x = 130,792,533,020.92
  5. Step 5: Solve for x
    x = 130,792,533,020.92/349,173.27
  6. Step 6: Final answer
    x = 374,577.74

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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.