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Finding the Fourth Proportional to 599,485.20, 899,227.80 and 465,640.80

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Solution

The fourth proportional to 599,485.20, 899,227.80 and 465,640.80 is: 698,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,485.20 : 899,227.80 = 465,640.80 : x
  2. Step 2: Convert to fraction form
    599,485.20/899,227.80 = 465,640.80/x
  3. Step 3: Cross multiply
    599,485.20x = 899,227.80 × 465,640.80
  4. Step 4: Simplify right side
    599,485.20x = 418,717,152,174.24
  5. Step 5: Solve for x
    x = 418,717,152,174.24/599,485.20
  6. Step 6: Final answer
    x = 698,461.20

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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.