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Finding the Fourth Proportional to 352,901.36, 486,995.32 and 197,842.38

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Solution

The fourth proportional to 352,901.36, 486,995.32 and 197,842.38 is: 273,017.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,901.36 : 486,995.32 = 197,842.38 : x
  2. Step 2: Convert to fraction form
    352,901.36/486,995.32 = 197,842.38/x
  3. Step 3: Cross multiply
    352,901.36x = 486,995.32 × 197,842.38
  4. Step 4: Simplify right side
    352,901.36x = 96,348,310,722.69
  5. Step 5: Solve for x
    x = 96,348,310,722.69/352,901.36
  6. Step 6: Final answer
    x = 273,017.68

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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.