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Finding the Fourth Proportional to 398,279.92, 597,355.08 and 161,613.04

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Solution

The fourth proportional to 398,279.92, 597,355.08 and 161,613.04 is: 242,393.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,279.92 : 597,355.08 = 161,613.04 : x
  2. Step 2: Convert to fraction form
    398,279.92/597,355.08 = 161,613.04/x
  3. Step 3: Cross multiply
    398,279.92x = 597,355.08 × 161,613.04
  4. Step 4: Simplify right side
    398,279.92x = 96,540,370,438.24
  5. Step 5: Solve for x
    x = 96,540,370,438.24/398,279.92
  6. Step 6: Final answer
    x = 242,393.27

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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.