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Finding the Fourth Proportional to 1,926,603.87, 2,658,800.87 and 1,067,164.03

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Solution

The fourth proportional to 1,926,603.87, 2,658,800.87 and 1,067,164.03 is: 1,472,734.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,603.87 : 2,658,800.87 = 1,067,164.03 : x
  2. Step 2: Convert to fraction form
    1,926,603.87/2,658,800.87 = 1,067,164.03/x
  3. Step 3: Cross multiply
    1,926,603.87x = 2,658,800.87 × 1,067,164.03
  4. Step 4: Simplify right side
    1,926,603.87x = 2,837,376,651,396.71
  5. Step 5: Solve for x
    x = 2,837,376,651,396.71/1,926,603.87
  6. Step 6: Final answer
    x = 1,472,734.84

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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.