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Finding the Fourth Proportional to 574,158.22, 861,361.86 and 174,788.66

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Solution

The fourth proportional to 574,158.22, 861,361.86 and 174,788.66 is: 262,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,158.22 : 861,361.86 = 174,788.66 : x
  2. Step 2: Convert to fraction form
    574,158.22/861,361.86 = 174,788.66/x
  3. Step 3: Cross multiply
    574,158.22x = 861,361.86 × 174,788.66
  4. Step 4: Simplify right side
    574,158.22x = 150,556,285,284.51
  5. Step 5: Solve for x
    x = 150,556,285,284.51/574,158.22
  6. Step 6: Final answer
    x = 262,220.90

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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.