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Finding the Fourth Proportional to 297,879.81, 446,679.30 and 108,206.47

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Solution

The fourth proportional to 297,879.81, 446,679.30 and 108,206.47 is: 162,258.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,879.81 : 446,679.30 = 108,206.47 : x
  2. Step 2: Convert to fraction form
    297,879.81/446,679.30 = 108,206.47/x
  3. Step 3: Cross multiply
    297,879.81x = 446,679.30 × 108,206.47
  4. Step 4: Simplify right side
    297,879.81x = 48,333,590,275.07
  5. Step 5: Solve for x
    x = 48,333,590,275.07/297,879.81
  6. Step 6: Final answer
    x = 162,258.70

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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.