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Finding the Fourth Proportional to 323,819.72, 446,903.34 and 242,005.88

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Solution

The fourth proportional to 323,819.72, 446,903.34 and 242,005.88 is: 333,992.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,819.72 : 446,903.34 = 242,005.88 : x
  2. Step 2: Convert to fraction form
    323,819.72/446,903.34 = 242,005.88/x
  3. Step 3: Cross multiply
    323,819.72x = 446,903.34 × 242,005.88
  4. Step 4: Simplify right side
    323,819.72x = 108,153,236,071.64
  5. Step 5: Solve for x
    x = 108,153,236,071.64/323,819.72
  6. Step 6: Final answer
    x = 333,992.12

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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.