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Finding the Fourth Proportional to 275,117.70, 412,676.55 and 195,401.55

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Solution

The fourth proportional to 275,117.70, 412,676.55 and 195,401.55 is: 293,102.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,117.70 : 412,676.55 = 195,401.55 : x
  2. Step 2: Convert to fraction form
    275,117.70/412,676.55 = 195,401.55/x
  3. Step 3: Cross multiply
    275,117.70x = 412,676.55 × 195,401.55
  4. Step 4: Simplify right side
    275,117.70x = 80,637,637,518.65
  5. Step 5: Solve for x
    x = 80,637,637,518.65/275,117.70
  6. Step 6: Final answer
    x = 293,102.33

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1.5x scale

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.