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Finding the Fourth Proportional to 866,290.44, 1,195,591.86 and 484,338

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Solution

The fourth proportional to 866,290.44, 1,195,591.86 and 484,338 is: 668,448.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,290.44 : 1,195,591.86 = 484,338 : x
  2. Step 2: Convert to fraction form
    866,290.44/1,195,591.86 = 484,338/x
  3. Step 3: Cross multiply
    866,290.44x = 1,195,591.86 × 484,338
  4. Step 4: Simplify right side
    866,290.44x = 579,070,570,288.68
  5. Step 5: Solve for x
    x = 579,070,570,288.68/866,290.44
  6. Step 6: Final answer
    x = 668,448.53

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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.