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Finding the Fourth Proportional to 455,065.92, 682,552.80 and 122,675.52

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Solution

The fourth proportional to 455,065.92, 682,552.80 and 122,675.52 is: 184,000.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,065.92 : 682,552.80 = 122,675.52 : x
  2. Step 2: Convert to fraction form
    455,065.92/682,552.80 = 122,675.52/x
  3. Step 3: Cross multiply
    455,065.92x = 682,552.80 × 122,675.52
  4. Step 4: Simplify right side
    455,065.92x = 83,732,519,667.46
  5. Step 5: Solve for x
    x = 83,732,519,667.46/455,065.92
  6. Step 6: Final answer
    x = 184,000.86

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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.