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Finding the Fourth Proportional to 1,977,865.39, 2,967,167.14 and 898,453.77

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Solution

The fourth proportional to 1,977,865.39, 2,967,167.14 and 898,453.77 is: 1,347,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,865.39 : 2,967,167.14 = 898,453.77 : x
  2. Step 2: Convert to fraction form
    1,977,865.39/2,967,167.14 = 898,453.77/x
  3. Step 3: Cross multiply
    1,977,865.39x = 2,967,167.14 × 898,453.77
  4. Step 4: Simplify right side
    1,977,865.39x = 2,665,862,511,524.22
  5. Step 5: Solve for x
    x = 2,665,862,511,524.22/1,977,865.39
  6. Step 6: Final answer
    x = 1,347,848.30

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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.