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Finding the Fourth Proportional to 571,511.35, 857,201.37 and 150,820.03

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Solution

The fourth proportional to 571,511.35, 857,201.37 and 150,820.03 is: 226,212.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,511.35 : 857,201.37 = 150,820.03 : x
  2. Step 2: Convert to fraction form
    571,511.35/857,201.37 = 150,820.03/x
  3. Step 3: Cross multiply
    571,511.35x = 857,201.37 × 150,820.03
  4. Step 4: Simplify right side
    571,511.35x = 129,283,136,339.44
  5. Step 5: Solve for x
    x = 129,283,136,339.44/571,511.35
  6. Step 6: Final answer
    x = 226,212.72

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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.