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Finding the Fourth Proportional to 474,987.24, 655,483.39 and 257,198.29

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Solution

The fourth proportional to 474,987.24, 655,483.39 and 257,198.29 is: 354,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,987.24 : 655,483.39 = 257,198.29 : x
  2. Step 2: Convert to fraction form
    474,987.24/655,483.39 = 257,198.29/x
  3. Step 3: Cross multiply
    474,987.24x = 655,483.39 × 257,198.29
  4. Step 4: Simplify right side
    474,987.24x = 168,589,204,749.70
  5. Step 5: Solve for x
    x = 168,589,204,749.70/474,987.24
  6. Step 6: Final answer
    x = 354,934.18

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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.