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Finding the Fourth Proportional to 456,074.82, 629,379.06 and 252,131.04

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Solution

The fourth proportional to 456,074.82, 629,379.06 and 252,131.04 is: 347,938.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,074.82 : 629,379.06 = 252,131.04 : x
  2. Step 2: Convert to fraction form
    456,074.82/629,379.06 = 252,131.04/x
  3. Step 3: Cross multiply
    456,074.82x = 629,379.06 × 252,131.04
  4. Step 4: Simplify right side
    456,074.82x = 158,685,996,952.02
  5. Step 5: Solve for x
    x = 158,685,996,952.02/456,074.82
  6. Step 6: Final answer
    x = 347,938.52

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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.