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Finding the Fourth Proportional to 455,076, 682,614 and 122,652

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Solution

The fourth proportional to 455,076, 682,614 and 122,652 is: 183,978

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,076 : 682,614 = 122,652 : x
  2. Step 2: Convert to fraction form
    455,076/682,614 = 122,652/x
  3. Step 3: Cross multiply
    455,076x = 682,614 × 122,652
  4. Step 4: Simplify right side
    455,076x = 83,723,972,328
  5. Step 5: Solve for x
    x = 83,723,972,328/455,076
  6. Step 6: Final answer
    x = 183,978

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.