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Finding the Fourth Proportional to 574,876.40, 862,314.60 and 531,573.80

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Solution

The fourth proportional to 574,876.40, 862,314.60 and 531,573.80 is: 797,360.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,876.40 : 862,314.60 = 531,573.80 : x
  2. Step 2: Convert to fraction form
    574,876.40/862,314.60 = 531,573.80/x
  3. Step 3: Cross multiply
    574,876.40x = 862,314.60 × 531,573.80
  4. Step 4: Simplify right side
    574,876.40x = 458,383,848,717.48
  5. Step 5: Solve for x
    x = 458,383,848,717.48/574,876.40
  6. Step 6: Final answer
    x = 797,360.70

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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.