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Finding the Fourth Proportional to 341,218.98, 470,836.80 and 197,958.33

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Solution

The fourth proportional to 341,218.98, 470,836.80 and 197,958.33 is: 273,156.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,218.98 : 470,836.80 = 197,958.33 : x
  2. Step 2: Convert to fraction form
    341,218.98/470,836.80 = 197,958.33/x
  3. Step 3: Cross multiply
    341,218.98x = 470,836.80 × 197,958.33
  4. Step 4: Simplify right side
    341,218.98x = 93,206,066,630.54
  5. Step 5: Solve for x
    x = 93,206,066,630.54/341,218.98
  6. Step 6: Final answer
    x = 273,156.16

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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.