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Finding the Fourth Proportional to 574,157.22, 861,360.36 and 174,787.66

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Solution

The fourth proportional to 574,157.22, 861,360.36 and 174,787.66 is: 262,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,157.22 : 861,360.36 = 174,787.66 : x
  2. Step 2: Convert to fraction form
    574,157.22/861,360.36 = 174,787.66/x
  3. Step 3: Cross multiply
    574,157.22x = 861,360.36 × 174,787.66
  4. Step 4: Simplify right side
    574,157.22x = 150,555,161,741.16
  5. Step 5: Solve for x
    x = 150,555,161,741.16/574,157.22
  6. Step 6: Final answer
    x = 262,219.40

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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.