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Finding the Fourth Proportional to 360,810.88, 541,205.12 and 171,407.54

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Solution

The fourth proportional to 360,810.88, 541,205.12 and 171,407.54 is: 257,105.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,810.88 : 541,205.12 = 171,407.54 : x
  2. Step 2: Convert to fraction form
    360,810.88/541,205.12 = 171,407.54/x
  3. Step 3: Cross multiply
    360,810.88x = 541,205.12 × 171,407.54
  4. Step 4: Simplify right side
    360,810.88x = 92,766,638,254.60
  5. Step 5: Solve for x
    x = 92,766,638,254.60/360,810.88
  6. Step 6: Final answer
    x = 257,105.99

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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.