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Finding the Fourth Proportional to 574,486.05, 861,858.29 and 175,167.19

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Solution

The fourth proportional to 574,486.05, 861,858.29 and 175,167.19 is: 262,790.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,486.05 : 861,858.29 = 175,167.19 : x
  2. Step 2: Convert to fraction form
    574,486.05/861,858.29 = 175,167.19/x
  3. Step 3: Cross multiply
    574,486.05x = 861,858.29 × 175,167.19
  4. Step 4: Simplify right side
    574,486.05x = 150,969,294,837.51
  5. Step 5: Solve for x
    x = 150,969,294,837.51/574,486.05
  6. Step 6: Final answer
    x = 262,790.18

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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.