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Finding the Fourth Proportional to 848,649.62, 1,171,144.78 and 466,679

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Solution

The fourth proportional to 848,649.62, 1,171,144.78 and 466,679 is: 644,021.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,649.62 : 1,171,144.78 = 466,679 : x
  2. Step 2: Convert to fraction form
    848,649.62/1,171,144.78 = 466,679/x
  3. Step 3: Cross multiply
    848,649.62x = 1,171,144.78 × 466,679
  4. Step 4: Simplify right side
    848,649.62x = 546,548,674,785.62
  5. Step 5: Solve for x
    x = 546,548,674,785.62/848,649.62
  6. Step 6: Final answer
    x = 644,021.59

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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.