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Finding the Fourth Proportional to 342,857.88, 473,103.44 and 197,662.04

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Solution

The fourth proportional to 342,857.88, 473,103.44 and 197,662.04 is: 272,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,857.88 : 473,103.44 = 197,662.04 : x
  2. Step 2: Convert to fraction form
    342,857.88/473,103.44 = 197,662.04/x
  3. Step 3: Cross multiply
    342,857.88x = 473,103.44 × 197,662.04
  4. Step 4: Simplify right side
    342,857.88x = 93,514,591,081.42
  5. Step 5: Solve for x
    x = 93,514,591,081.42/342,857.88
  6. Step 6: Final answer
    x = 272,750.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.