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Finding the Fourth Proportional to 495,757.10, 743,653.26 and 158,753.96

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Solution

The fourth proportional to 495,757.10, 743,653.26 and 158,753.96 is: 238,136.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,757.10 : 743,653.26 = 158,753.96 : x
  2. Step 2: Convert to fraction form
    495,757.10/743,653.26 = 158,753.96/x
  3. Step 3: Cross multiply
    495,757.10x = 743,653.26 × 158,753.96
  4. Step 4: Simplify right side
    495,757.10x = 118,057,896,768.97
  5. Step 5: Solve for x
    x = 118,057,896,768.97/495,757.10
  6. Step 6: Final answer
    x = 238,136.58

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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.