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Finding the Fourth Proportional to 1,973,228.76, 2,723,055.70 and 1,067,810.76

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Solution

The fourth proportional to 1,973,228.76, 2,723,055.70 and 1,067,810.76 is: 1,473,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,228.76 : 2,723,055.70 = 1,067,810.76 : x
  2. Step 2: Convert to fraction form
    1,973,228.76/2,723,055.70 = 1,067,810.76/x
  3. Step 3: Cross multiply
    1,973,228.76x = 2,723,055.70 × 1,067,810.76
  4. Step 4: Simplify right side
    1,973,228.76x = 2,907,708,176,539.33
  5. Step 5: Solve for x
    x = 2,907,708,176,539.33/1,973,228.76
  6. Step 6: Final answer
    x = 1,473,578.85

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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.