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Finding the Fourth Proportional to 1,579,300.80, 2,367,007.20 and 1,073,860.80

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Solution

The fourth proportional to 1,579,300.80, 2,367,007.20 and 1,073,860.80 is: 1,609,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,300.80 : 2,367,007.20 = 1,073,860.80 : x
  2. Step 2: Convert to fraction form
    1,579,300.80/2,367,007.20 = 1,073,860.80/x
  3. Step 3: Cross multiply
    1,579,300.80x = 2,367,007.20 × 1,073,860.80
  4. Step 4: Simplify right side
    1,579,300.80x = 2,541,836,245,397.76
  5. Step 5: Solve for x
    x = 2,541,836,245,397.76/1,579,300.80
  6. Step 6: Final answer
    x = 1,609,469.36

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Why These Related Problems?

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