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Finding the Fourth Proportional to 534,890.60, 802,335.90 and 269,469.80

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Solution

The fourth proportional to 534,890.60, 802,335.90 and 269,469.80 is: 404,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,890.60 : 802,335.90 = 269,469.80 : x
  2. Step 2: Convert to fraction form
    534,890.60/802,335.90 = 269,469.80/x
  3. Step 3: Cross multiply
    534,890.60x = 802,335.90 × 269,469.80
  4. Step 4: Simplify right side
    534,890.60x = 216,205,294,505.82
  5. Step 5: Solve for x
    x = 216,205,294,505.82/534,890.60
  6. Step 6: Final answer
    x = 404,204.70

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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.