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Finding the Fourth Proportional to 895,613.05, 1,235,745.92 and 751,003.75

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Solution

The fourth proportional to 895,613.05, 1,235,745.92 and 751,003.75 is: 1,036,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,613.05 : 1,235,745.92 = 751,003.75 : x
  2. Step 2: Convert to fraction form
    895,613.05/1,235,745.92 = 751,003.75/x
  3. Step 3: Cross multiply
    895,613.05x = 1,235,745.92 × 751,003.75
  4. Step 4: Simplify right side
    895,613.05x = 928,049,823,389.39
  5. Step 5: Solve for x
    x = 928,049,823,389.39/895,613.05
  6. Step 6: Final answer
    x = 1,036,217.40

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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.