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Finding the Fourth Proportional to 2,859,734.40, 4,288,334.40 and 965,961.60

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Solution

The fourth proportional to 2,859,734.40, 4,288,334.40 and 965,961.60 is: 1,448,514.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,734.40 : 4,288,334.40 = 965,961.60 : x
  2. Step 2: Convert to fraction form
    2,859,734.40/4,288,334.40 = 965,961.60/x
  3. Step 3: Cross multiply
    2,859,734.40x = 4,288,334.40 × 965,961.60
  4. Step 4: Simplify right side
    2,859,734.40x = 4,142,366,358,359.04
  5. Step 5: Solve for x
    x = 4,142,366,358,359.04/2,859,734.40
  6. Step 6: Final answer
    x = 1,448,514.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.