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Finding the Fourth Proportional to 452,452.53, 678,667.86 and 115,495.97

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Solution

The fourth proportional to 452,452.53, 678,667.86 and 115,495.97 is: 173,241.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,452.53 : 678,667.86 = 115,495.97 : x
  2. Step 2: Convert to fraction form
    452,452.53/678,667.86 = 115,495.97/x
  3. Step 3: Cross multiply
    452,452.53x = 678,667.86 × 115,495.97
  4. Step 4: Simplify right side
    452,452.53x = 78,383,402,221.04
  5. Step 5: Solve for x
    x = 78,383,402,221.04/452,452.53
  6. Step 6: Final answer
    x = 173,241.16

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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.