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Finding the Fourth Proportional to 627,536.76, 866,006.46 and 341,057.58

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Solution

The fourth proportional to 627,536.76, 866,006.46 and 341,057.58 is: 470,662.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,536.76 : 866,006.46 = 341,057.58 : x
  2. Step 2: Convert to fraction form
    627,536.76/866,006.46 = 341,057.58/x
  3. Step 3: Cross multiply
    627,536.76x = 866,006.46 × 341,057.58
  4. Step 4: Simplify right side
    627,536.76x = 295,358,067,511.97
  5. Step 5: Solve for x
    x = 295,358,067,511.97/627,536.76
  6. Step 6: Final answer
    x = 470,662.58

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1.5x scale

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.