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Finding the Fourth Proportional to 404,059.38, 557,627 and 222,770.97

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Solution

The fourth proportional to 404,059.38, 557,627 and 222,770.97 is: 307,437.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,059.38 : 557,627 = 222,770.97 : x
  2. Step 2: Convert to fraction form
    404,059.38/557,627 = 222,770.97/x
  3. Step 3: Cross multiply
    404,059.38x = 557,627 × 222,770.97
  4. Step 4: Simplify right side
    404,059.38x = 124,223,107,688.19
  5. Step 5: Solve for x
    x = 124,223,107,688.19/404,059.38
  6. Step 6: Final answer
    x = 307,437.75

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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.