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Finding the Fourth Proportional to 297,893.52, 411,096.90 and 161,929.44

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Solution

The fourth proportional to 297,893.52, 411,096.90 and 161,929.44 is: 223,464.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,893.52 : 411,096.90 = 161,929.44 : x
  2. Step 2: Convert to fraction form
    297,893.52/411,096.90 = 161,929.44/x
  3. Step 3: Cross multiply
    297,893.52x = 411,096.90 × 161,929.44
  4. Step 4: Simplify right side
    297,893.52x = 66,568,690,802.74
  5. Step 5: Solve for x
    x = 66,568,690,802.74/297,893.52
  6. Step 6: Final answer
    x = 223,464.72

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1.5x scale

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.