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Finding the Fourth Proportional to 297,983.76, 447,256.52 and 108,627.12

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Solution

The fourth proportional to 297,983.76, 447,256.52 and 108,627.12 is: 163,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,983.76 : 447,256.52 = 108,627.12 : x
  2. Step 2: Convert to fraction form
    297,983.76/447,256.52 = 108,627.12/x
  3. Step 3: Cross multiply
    297,983.76x = 447,256.52 × 108,627.12
  4. Step 4: Simplify right side
    297,983.76x = 48,584,187,668.82
  5. Step 5: Solve for x
    x = 48,584,187,668.82/297,983.76
  6. Step 6: Final answer
    x = 163,043.07

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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.