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Finding the Fourth Proportional to 627,756.44, 866,320.98 and 341,296.28

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Solution

The fourth proportional to 627,756.44, 866,320.98 and 341,296.28 is: 470,998.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,756.44 : 866,320.98 = 341,296.28 : x
  2. Step 2: Convert to fraction form
    627,756.44/866,320.98 = 341,296.28/x
  3. Step 3: Cross multiply
    627,756.44x = 866,320.98 × 341,296.28
  4. Step 4: Simplify right side
    627,756.44x = 295,672,127,759.95
  5. Step 5: Solve for x
    x = 295,672,127,759.95/627,756.44
  6. Step 6: Final answer
    x = 470,998.16

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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.