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Finding the Fourth Proportional to 495,975, 744,173.22 and 271,072.72

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Solution

The fourth proportional to 495,975, 744,173.22 and 271,072.72 is: 406,724.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,975 : 744,173.22 = 271,072.72 : x
  2. Step 2: Convert to fraction form
    495,975/744,173.22 = 271,072.72/x
  3. Step 3: Cross multiply
    495,975x = 744,173.22 × 271,072.72
  4. Step 4: Simplify right side
    495,975x = 201,725,058,896.56
  5. Step 5: Solve for x
    x = 201,725,058,896.56/495,975
  6. Step 6: Final answer
    x = 406,724.25

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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.