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Finding the Fourth Proportional to 496,010.96, 684,513.48 and 275,254.48

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Solution

The fourth proportional to 496,010.96, 684,513.48 and 275,254.48 is: 379,861.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,010.96 : 684,513.48 = 275,254.48 : x
  2. Step 2: Convert to fraction form
    496,010.96/684,513.48 = 275,254.48/x
  3. Step 3: Cross multiply
    496,010.96x = 684,513.48 × 275,254.48
  4. Step 4: Simplify right side
    496,010.96x = 188,415,401,990.39
  5. Step 5: Solve for x
    x = 188,415,401,990.39/496,010.96
  6. Step 6: Final answer
    x = 379,861.37

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1.5x scale

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.