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Finding the Fourth Proportional to 315,542.22, 473,452.08 and 165,747.72

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Solution

The fourth proportional to 315,542.22, 473,452.08 and 165,747.72 is: 248,694.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,542.22 : 473,452.08 = 165,747.72 : x
  2. Step 2: Convert to fraction form
    315,542.22/473,452.08 = 165,747.72/x
  3. Step 3: Cross multiply
    315,542.22x = 473,452.08 × 165,747.72
  4. Step 4: Simplify right side
    315,542.22x = 78,473,602,789.26
  5. Step 5: Solve for x
    x = 78,473,602,789.26/315,542.22
  6. Step 6: Final answer
    x = 248,694.46

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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.