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Finding the Fourth Proportional to 454,172.28, 626,785.74 and 252,968.28

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Solution

The fourth proportional to 454,172.28, 626,785.74 and 252,968.28 is: 349,111.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,172.28 : 626,785.74 = 252,968.28 : x
  2. Step 2: Convert to fraction form
    454,172.28/626,785.74 = 252,968.28/x
  3. Step 3: Cross multiply
    454,172.28x = 626,785.74 × 252,968.28
  4. Step 4: Simplify right side
    454,172.28x = 158,556,910,576.33
  5. Step 5: Solve for x
    x = 158,556,910,576.33/454,172.28
  6. Step 6: Final answer
    x = 349,111.82

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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.