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Finding the Fourth Proportional to 352,258.49, 486,162.53 and 197,268.80

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Solution

The fourth proportional to 352,258.49, 486,162.53 and 197,268.80 is: 272,256.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,258.49 : 486,162.53 = 197,268.80 : x
  2. Step 2: Convert to fraction form
    352,258.49/486,162.53 = 197,268.80/x
  3. Step 3: Cross multiply
    352,258.49x = 486,162.53 × 197,268.80
  4. Step 4: Simplify right side
    352,258.49x = 95,904,695,480.91
  5. Step 5: Solve for x
    x = 95,904,695,480.91/352,258.49
  6. Step 6: Final answer
    x = 272,256.59

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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.