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Finding the Fourth Proportional to 455,066.92, 682,554.30 and 122,676.52

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Solution

The fourth proportional to 455,066.92, 682,554.30 and 122,676.52 is: 184,002.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,066.92 : 682,554.30 = 122,676.52 : x
  2. Step 2: Convert to fraction form
    455,066.92/682,554.30 = 122,676.52/x
  3. Step 3: Cross multiply
    455,066.92x = 682,554.30 × 122,676.52
  4. Step 4: Simplify right side
    455,066.92x = 83,733,386,235.04
  5. Step 5: Solve for x
    x = 83,733,386,235.04/455,066.92
  6. Step 6: Final answer
    x = 184,002.36

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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.