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Finding the Fourth Proportional to 627,763.44, 866,330.64 and 341,303.28

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Solution

The fourth proportional to 627,763.44, 866,330.64 and 341,303.28 is: 471,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,763.44 : 866,330.64 = 341,303.28 : x
  2. Step 2: Convert to fraction form
    627,763.44/866,330.64 = 341,303.28/x
  3. Step 3: Cross multiply
    627,763.44x = 866,330.64 × 341,303.28
  4. Step 4: Simplify right side
    627,763.44x = 295,681,488,996.50
  5. Step 5: Solve for x
    x = 295,681,488,996.50/627,763.44
  6. Step 6: Final answer
    x = 471,007.82

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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.