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Finding the Fourth Proportional to 481,982.70, 722,974.05 and 304,835.70

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Solution

The fourth proportional to 481,982.70, 722,974.05 and 304,835.70 is: 457,253.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,982.70 : 722,974.05 = 304,835.70 : x
  2. Step 2: Convert to fraction form
    481,982.70/722,974.05 = 304,835.70/x
  3. Step 3: Cross multiply
    481,982.70x = 722,974.05 × 304,835.70
  4. Step 4: Simplify right side
    481,982.70x = 220,388,300,613.59
  5. Step 5: Solve for x
    x = 220,388,300,613.59/481,982.70
  6. Step 6: Final answer
    x = 457,253.55

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Double scale
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Similar ratio
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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.