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Finding the Fourth Proportional to 352,204.94, 485,677.49 and 301,385.88

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Solution

The fourth proportional to 352,204.94, 485,677.49 and 301,385.88 is: 415,599.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,204.94 : 485,677.49 = 301,385.88 : x
  2. Step 2: Convert to fraction form
    352,204.94/485,677.49 = 301,385.88/x
  3. Step 3: Cross multiply
    352,204.94x = 485,677.49 × 301,385.88
  4. Step 4: Simplify right side
    352,204.94x = 146,376,336,212.91
  5. Step 5: Solve for x
    x = 146,376,336,212.91/352,204.94
  6. Step 6: Final answer
    x = 415,599.89

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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.