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Finding the Fourth Proportional to 576,531.48, 795,580.02 and 321,898.80

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Solution

The fourth proportional to 576,531.48, 795,580.02 and 321,898.80 is: 444,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,531.48 : 795,580.02 = 321,898.80 : x
  2. Step 2: Convert to fraction form
    576,531.48/795,580.02 = 321,898.80/x
  3. Step 3: Cross multiply
    576,531.48x = 795,580.02 × 321,898.80
  4. Step 4: Simplify right side
    576,531.48x = 256,096,253,741.98
  5. Step 5: Solve for x
    x = 256,096,253,741.98/576,531.48
  6. Step 6: Final answer
    x = 444,201.68

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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.