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Finding the Fourth Proportional to 398,495.72, 597,795.36 and 161,846.12

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Solution

The fourth proportional to 398,495.72, 597,795.36 and 161,846.12 is: 242,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,495.72 : 597,795.36 = 161,846.12 : x
  2. Step 2: Convert to fraction form
    398,495.72/597,795.36 = 161,846.12/x
  3. Step 3: Cross multiply
    398,495.72x = 597,795.36 × 161,846.12
  4. Step 4: Simplify right side
    398,495.72x = 96,750,859,570.00
  5. Step 5: Solve for x
    x = 96,750,859,570.00/398,495.72
  6. Step 6: Final answer
    x = 242,790.21

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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.