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Finding the Fourth Proportional to 627,725.70, 866,251.26 and 341,253

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Solution

The fourth proportional to 627,725.70, 866,251.26 and 341,253 is: 470,923.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,725.70 : 866,251.26 = 341,253 : x
  2. Step 2: Convert to fraction form
    627,725.70/866,251.26 = 341,253/x
  3. Step 3: Cross multiply
    627,725.70x = 866,251.26 × 341,253
  4. Step 4: Simplify right side
    627,725.70x = 295,610,841,228.78
  5. Step 5: Solve for x
    x = 295,610,841,228.78/627,725.70
  6. Step 6: Final answer
    x = 470,923.59

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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.