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Finding the Fourth Proportional to 451,153, 676,775.22 and 166,918.60

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Solution

The fourth proportional to 451,153, 676,775.22 and 166,918.60 is: 250,394.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,153 : 676,775.22 = 166,918.60 : x
  2. Step 2: Convert to fraction form
    451,153/676,775.22 = 166,918.60/x
  3. Step 3: Cross multiply
    451,153x = 676,775.22 × 166,918.60
  4. Step 4: Simplify right side
    451,153x = 112,966,372,237.09
  5. Step 5: Solve for x
    x = 112,966,372,237.09/451,153
  6. Step 6: Final answer
    x = 250,394.82

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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.