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Finding the Fourth Proportional to 587,160.96, 810,283.68 and 345,452.64

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Solution

The fourth proportional to 587,160.96, 810,283.68 and 345,452.64 is: 476,725.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,160.96 : 810,283.68 = 345,452.64 : x
  2. Step 2: Convert to fraction form
    587,160.96/810,283.68 = 345,452.64/x
  3. Step 3: Cross multiply
    587,160.96x = 810,283.68 × 345,452.64
  4. Step 4: Simplify right side
    587,160.96x = 279,914,636,404.92
  5. Step 5: Solve for x
    x = 279,914,636,404.92/587,160.96
  6. Step 6: Final answer
    x = 476,725.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.