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Finding the Fourth Proportional to 1,444,793.58, 1,993,795.02 and 832,947.53

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Solution

The fourth proportional to 1,444,793.58, 1,993,795.02 and 832,947.53 is: 1,149,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,793.58 : 1,993,795.02 = 832,947.53 : x
  2. Step 2: Convert to fraction form
    1,444,793.58/1,993,795.02 = 832,947.53/x
  3. Step 3: Cross multiply
    1,444,793.58x = 1,993,795.02 × 832,947.53
  4. Step 4: Simplify right side
    1,444,793.58x = 1,660,726,627,266.33
  5. Step 5: Solve for x
    x = 1,660,726,627,266.33/1,444,793.58
  6. Step 6: Final answer
    x = 1,149,455.98

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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.