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Finding the Fourth Proportional to 403,889.33, 557,344.53 and 222,600.71

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Solution

The fourth proportional to 403,889.33, 557,344.53 and 222,600.71 is: 307,176.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,889.33 : 557,344.53 = 222,600.71 : x
  2. Step 2: Convert to fraction form
    403,889.33/557,344.53 = 222,600.71/x
  3. Step 3: Cross multiply
    403,889.33x = 557,344.53 × 222,600.71
  4. Step 4: Simplify right side
    403,889.33x = 124,065,288,092.62
  5. Step 5: Solve for x
    x = 124,065,288,092.62/403,889.33
  6. Step 6: Final answer
    x = 307,176.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.