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Finding the Fourth Proportional to 296,172.60, 443,999.70 and 264,679.80

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Solution

The fourth proportional to 296,172.60, 443,999.70 and 264,679.80 is: 396,788.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,172.60 : 443,999.70 = 264,679.80 : x
  2. Step 2: Convert to fraction form
    296,172.60/443,999.70 = 264,679.80/x
  3. Step 3: Cross multiply
    296,172.60x = 443,999.70 × 264,679.80
  4. Step 4: Simplify right side
    296,172.60x = 117,517,751,796.06
  5. Step 5: Solve for x
    x = 117,517,751,796.06/296,172.60
  6. Step 6: Final answer
    x = 396,788.06

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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.