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Finding the Fourth Proportional to 1,799,198.88, 2,696,473.27 and 1,346,366.86

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Solution

The fourth proportional to 1,799,198.88, 2,696,473.27 and 1,346,366.86 is: 2,017,810.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799,198.88 : 2,696,473.27 = 1,346,366.86 : x
  2. Step 2: Convert to fraction form
    1,799,198.88/2,696,473.27 = 1,346,366.86/x
  3. Step 3: Cross multiply
    1,799,198.88x = 2,696,473.27 × 1,346,366.86
  4. Step 4: Simplify right side
    1,799,198.88x = 3,630,442,255,926.61
  5. Step 5: Solve for x
    x = 3,630,442,255,926.61/1,799,198.88
  6. Step 6: Final answer
    x = 2,017,810.42

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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.