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Finding the Fourth Proportional to 329,052.38, 493,578.63 and 118,690.29

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Solution

The fourth proportional to 329,052.38, 493,578.63 and 118,690.29 is: 178,035.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,052.38 : 493,578.63 = 118,690.29 : x
  2. Step 2: Convert to fraction form
    329,052.38/493,578.63 = 118,690.29/x
  3. Step 3: Cross multiply
    329,052.38x = 493,578.63 × 118,690.29
  4. Step 4: Simplify right side
    329,052.38x = 58,582,990,732.50
  5. Step 5: Solve for x
    x = 58,582,990,732.50/329,052.38
  6. Step 6: Final answer
    x = 178,035.46

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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.