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Finding the Fourth Proportional to 1,583,826.35, 2,375,938.37 and 774,236.95

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Solution

The fourth proportional to 1,583,826.35, 2,375,938.37 and 774,236.95 is: 1,161,452.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,826.35 : 2,375,938.37 = 774,236.95 : x
  2. Step 2: Convert to fraction form
    1,583,826.35/2,375,938.37 = 774,236.95/x
  3. Step 3: Cross multiply
    1,583,826.35x = 2,375,938.37 × 774,236.95
  4. Step 4: Simplify right side
    1,583,826.35x = 1,839,539,272,972.52
  5. Step 5: Solve for x
    x = 1,839,539,272,972.52/1,583,826.35
  6. Step 6: Final answer
    x = 1,161,452.63

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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.