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Finding the Fourth Proportional to 306,469.80, 458,829.90 and 306,469.80

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Solution

The fourth proportional to 306,469.80, 458,829.90 and 306,469.80 is: 458,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,469.80 : 458,829.90 = 306,469.80 : x
  2. Step 2: Convert to fraction form
    306,469.80/458,829.90 = 306,469.80/x
  3. Step 3: Cross multiply
    306,469.80x = 458,829.90 × 306,469.80
  4. Step 4: Simplify right side
    306,469.80x = 140,617,507,687.02
  5. Step 5: Solve for x
    x = 140,617,507,687.02/306,469.80
  6. Step 6: Final answer
    x = 458,829.90

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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.