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Finding the Fourth Proportional to 574,408.85, 861,645.68 and 175,062.65

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Solution

The fourth proportional to 574,408.85, 861,645.68 and 175,062.65 is: 262,603.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,408.85 : 861,645.68 = 175,062.65 : x
  2. Step 2: Convert to fraction form
    574,408.85/861,645.68 = 175,062.65/x
  3. Step 3: Cross multiply
    574,408.85x = 861,645.68 × 175,062.65
  4. Step 4: Simplify right side
    574,408.85x = 150,841,975,226.54
  5. Step 5: Solve for x
    x = 150,841,975,226.54/574,408.85
  6. Step 6: Final answer
    x = 262,603.85

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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.