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Finding the Fourth Proportional to 1,866,269.31, 2,794,919.93 and 1,065,122.00

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Solution

The fourth proportional to 1,866,269.31, 2,794,919.93 and 1,065,122.00 is: 1,595,123.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,269.31 : 2,794,919.93 = 1,065,122.00 : x
  2. Step 2: Convert to fraction form
    1,866,269.31/2,794,919.93 = 1,065,122.00/x
  3. Step 3: Cross multiply
    1,866,269.31x = 2,794,919.93 × 1,065,122.00
  4. Step 4: Simplify right side
    1,866,269.31x = 2,976,930,722,569.14
  5. Step 5: Solve for x
    x = 2,976,930,722,569.14/1,866,269.31
  6. Step 6: Final answer
    x = 1,595,123.87

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