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Finding the Fourth Proportional to 481,881.70, 722,822.55 and 404,899.30

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Solution

The fourth proportional to 481,881.70, 722,822.55 and 404,899.30 is: 607,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,881.70 : 722,822.55 = 404,899.30 : x
  2. Step 2: Convert to fraction form
    481,881.70/722,822.55 = 404,899.30/x
  3. Step 3: Cross multiply
    481,881.70x = 722,822.55 × 404,899.30
  4. Step 4: Simplify right side
    481,881.70x = 292,670,344,519.22
  5. Step 5: Solve for x
    x = 292,670,344,519.22/481,881.70
  6. Step 6: Final answer
    x = 607,348.95

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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.