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Finding the Fourth Proportional to 423,732.27, 635,057.85 and 198,596.01

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Solution

The fourth proportional to 423,732.27, 635,057.85 and 198,596.01 is: 297,640.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,732.27 : 635,057.85 = 198,596.01 : x
  2. Step 2: Convert to fraction form
    423,732.27/635,057.85 = 198,596.01/x
  3. Step 3: Cross multiply
    423,732.27x = 635,057.85 × 198,596.01
  4. Step 4: Simplify right side
    423,732.27x = 126,119,955,129.18
  5. Step 5: Solve for x
    x = 126,119,955,129.18/423,732.27
  6. Step 6: Final answer
    x = 297,640.67

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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.