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Finding the Fourth Proportional to 496,741, 685,502.58 and 270,388.12

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Solution

The fourth proportional to 496,741, 685,502.58 and 270,388.12 is: 373,135.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,741 : 685,502.58 = 270,388.12 : x
  2. Step 2: Convert to fraction form
    496,741/685,502.58 = 270,388.12/x
  3. Step 3: Cross multiply
    496,741x = 685,502.58 × 270,388.12
  4. Step 4: Simplify right side
    496,741x = 185,351,753,861.35
  5. Step 5: Solve for x
    x = 185,351,753,861.35/496,741
  6. Step 6: Final answer
    x = 373,135.61

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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.