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Finding the Fourth Proportional to 599,963.72, 899,993.46 and 200,606.58

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Solution

The fourth proportional to 599,963.72, 899,993.46 and 200,606.58 is: 300,925.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,963.72 : 899,993.46 = 200,606.58 : x
  2. Step 2: Convert to fraction form
    599,963.72/899,993.46 = 200,606.58/x
  3. Step 3: Cross multiply
    599,963.72x = 899,993.46 × 200,606.58
  4. Step 4: Simplify right side
    599,963.72x = 180,544,610,032.97
  5. Step 5: Solve for x
    x = 180,544,610,032.97/599,963.72
  6. Step 6: Final answer
    x = 300,925.88

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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.