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Finding the Fourth Proportional to 297,879.52, 446,724.51 and 98,162.68

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Solution

The fourth proportional to 297,879.52, 446,724.51 and 98,162.68 is: 147,212.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,879.52 : 446,724.51 = 98,162.68 : x
  2. Step 2: Convert to fraction form
    297,879.52/446,724.51 = 98,162.68/x
  3. Step 3: Cross multiply
    297,879.52x = 446,724.51 × 98,162.68
  4. Step 4: Simplify right side
    297,879.52x = 43,851,675,123.29
  5. Step 5: Solve for x
    x = 43,851,675,123.29/297,879.52
  6. Step 6: Final answer
    x = 147,212.79

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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.