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Finding the Fourth Proportional to 662,579.70, 994,906.35 and 382,643.70

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Solution

The fourth proportional to 662,579.70, 994,906.35 and 382,643.70 is: 574,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,579.70 : 994,906.35 = 382,643.70 : x
  2. Step 2: Convert to fraction form
    662,579.70/994,906.35 = 382,643.70/x
  3. Step 3: Cross multiply
    662,579.70x = 994,906.35 × 382,643.70
  4. Step 4: Simplify right side
    662,579.70x = 380,694,646,917.50
  5. Step 5: Solve for x
    x = 380,694,646,917.50/662,579.70
  6. Step 6: Final answer
    x = 574,564.31

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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.