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Finding the Fourth Proportional to 482,816.70, 723,605.40 and 269,584.20

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Solution

The fourth proportional to 482,816.70, 723,605.40 and 269,584.20 is: 404,030.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,816.70 : 723,605.40 = 269,584.20 : x
  2. Step 2: Convert to fraction form
    482,816.70/723,605.40 = 269,584.20/x
  3. Step 3: Cross multiply
    482,816.70x = 723,605.40 × 269,584.20
  4. Step 4: Simplify right side
    482,816.70x = 195,072,582,874.68
  5. Step 5: Solve for x
    x = 195,072,582,874.68/482,816.70
  6. Step 6: Final answer
    x = 404,030.31

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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.