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Finding the Fourth Proportional to 464,852.43, 641,874.48 and 378,824.07

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Solution

The fourth proportional to 464,852.43, 641,874.48 and 378,824.07 is: 523,085.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,852.43 : 641,874.48 = 378,824.07 : x
  2. Step 2: Convert to fraction form
    464,852.43/641,874.48 = 378,824.07/x
  3. Step 3: Cross multiply
    464,852.43x = 641,874.48 × 378,824.07
  4. Step 4: Simplify right side
    464,852.43x = 243,157,502,942.73
  5. Step 5: Solve for x
    x = 243,157,502,942.73/464,852.43
  6. Step 6: Final answer
    x = 523,085.36

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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.