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Finding the Fourth Proportional to 297,984.76, 447,258.02 and 108,628.12

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Solution

The fourth proportional to 297,984.76, 447,258.02 and 108,628.12 is: 163,044.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,984.76 : 447,258.02 = 108,628.12 : x
  2. Step 2: Convert to fraction form
    297,984.76/447,258.02 = 108,628.12/x
  3. Step 3: Cross multiply
    297,984.76x = 447,258.02 × 108,628.12
  4. Step 4: Simplify right side
    297,984.76x = 48,584,797,867.52
  5. Step 5: Solve for x
    x = 48,584,797,867.52/297,984.76
  6. Step 6: Final answer
    x = 163,044.57

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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.