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Finding the Fourth Proportional to 443,080.64, 611,395.26 and 252,097.22

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Solution

The fourth proportional to 443,080.64, 611,395.26 and 252,097.22 is: 347,862.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,080.64 : 611,395.26 = 252,097.22 : x
  2. Step 2: Convert to fraction form
    443,080.64/611,395.26 = 252,097.22/x
  3. Step 3: Cross multiply
    443,080.64x = 611,395.26 × 252,097.22
  4. Step 4: Simplify right side
    443,080.64x = 154,131,045,367.18
  5. Step 5: Solve for x
    x = 154,131,045,367.18/443,080.64
  6. Step 6: Final answer
    x = 347,862.29

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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.