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Finding the Fourth Proportional to 269,214.60, 403,821.90 and 231,816.90

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Solution

The fourth proportional to 269,214.60, 403,821.90 and 231,816.90 is: 347,725.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,214.60 : 403,821.90 = 231,816.90 : x
  2. Step 2: Convert to fraction form
    269,214.60/403,821.90 = 231,816.90/x
  3. Step 3: Cross multiply
    269,214.60x = 403,821.90 × 231,816.90
  4. Step 4: Simplify right side
    269,214.60x = 93,612,741,010.11
  5. Step 5: Solve for x
    x = 93,612,741,010.11/269,214.60
  6. Step 6: Final answer
    x = 347,725.35

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1.5x scale

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.