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Finding the Fourth Proportional to 587,863.80, 811,334.34 and 425,048.94

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Solution

The fourth proportional to 587,863.80, 811,334.34 and 425,048.94 is: 586,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,863.80 : 811,334.34 = 425,048.94 : x
  2. Step 2: Convert to fraction form
    587,863.80/811,334.34 = 425,048.94/x
  3. Step 3: Cross multiply
    587,863.80x = 811,334.34 × 425,048.94
  4. Step 4: Simplify right side
    587,863.80x = 344,856,801,202.60
  5. Step 5: Solve for x
    x = 344,856,801,202.60/587,863.80
  6. Step 6: Final answer
    x = 586,627.04

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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.