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Finding the Fourth Proportional to 587,866.87, 880,304.60 and 387,579.59

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Solution

The fourth proportional to 587,866.87, 880,304.60 and 387,579.59 is: 580,383.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,866.87 : 880,304.60 = 387,579.59 : x
  2. Step 2: Convert to fraction form
    587,866.87/880,304.60 = 387,579.59/x
  3. Step 3: Cross multiply
    587,866.87x = 880,304.60 × 387,579.59
  4. Step 4: Simplify right side
    587,866.87x = 341,188,092,510.54
  5. Step 5: Solve for x
    x = 341,188,092,510.54/587,866.87
  6. Step 6: Final answer
    x = 580,383.27

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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.