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Finding the Fourth Proportional to 1,093,692.03, 1,509,053.13 and 634,540.56

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Solution

The fourth proportional to 1,093,692.03, 1,509,053.13 and 634,540.56 is: 875,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,692.03 : 1,509,053.13 = 634,540.56 : x
  2. Step 2: Convert to fraction form
    1,093,692.03/1,509,053.13 = 634,540.56/x
  3. Step 3: Cross multiply
    1,093,692.03x = 1,509,053.13 × 634,540.56
  4. Step 4: Simplify right side
    1,093,692.03x = 957,555,418,179.95
  5. Step 5: Solve for x
    x = 957,555,418,179.95/1,093,692.03
  6. Step 6: Final answer
    x = 875,525.64

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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.