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Finding the Fourth Proportional to 627,673.95, 866,179.85 and 341,201.25

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Solution

The fourth proportional to 627,673.95, 866,179.85 and 341,201.25 is: 470,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,673.95 : 866,179.85 = 341,201.25 : x
  2. Step 2: Convert to fraction form
    627,673.95/866,179.85 = 341,201.25/x
  3. Step 3: Cross multiply
    627,673.95x = 866,179.85 × 341,201.25
  4. Step 4: Simplify right side
    627,673.95x = 295,541,645,838.81
  5. Step 5: Solve for x
    x = 295,541,645,838.81/627,673.95
  6. Step 6: Final answer
    x = 470,852.18

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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.