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Finding the Fourth Proportional to 297,829.58, 411,008.00 and 161,863.52

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Solution

The fourth proportional to 297,829.58, 411,008.00 and 161,863.52 is: 223,373.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,829.58 : 411,008.00 = 161,863.52 : x
  2. Step 2: Convert to fraction form
    297,829.58/411,008.00 = 161,863.52/x
  3. Step 3: Cross multiply
    297,829.58x = 411,008.00 × 161,863.52
  4. Step 4: Simplify right side
    297,829.58x = 66,527,198,763.80
  5. Step 5: Solve for x
    x = 66,527,198,763.80/297,829.58
  6. Step 6: Final answer
    x = 223,373.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.