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Finding the Fourth Proportional to 599,481.20, 899,221.80 and 465,636.80

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Solution

The fourth proportional to 599,481.20, 899,221.80 and 465,636.80 is: 698,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,481.20 : 899,221.80 = 465,636.80 : x
  2. Step 2: Convert to fraction form
    599,481.20/899,221.80 = 465,636.80/x
  3. Step 3: Cross multiply
    599,481.20x = 899,221.80 × 465,636.80
  4. Step 4: Simplify right side
    599,481.20x = 418,710,761,442.24
  5. Step 5: Solve for x
    x = 418,710,761,442.24/599,481.20
  6. Step 6: Final answer
    x = 698,455.20

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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.