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Finding the Fourth Proportional to 404,178.53, 557,770.25 and 222,896.88

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Solution

The fourth proportional to 404,178.53, 557,770.25 and 222,896.88 is: 307,599.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,178.53 : 557,770.25 = 222,896.88 : x
  2. Step 2: Convert to fraction form
    404,178.53/557,770.25 = 222,896.88/x
  3. Step 3: Cross multiply
    404,178.53x = 557,770.25 × 222,896.88
  4. Step 4: Simplify right side
    404,178.53x = 124,325,249,039.06
  5. Step 5: Solve for x
    x = 124,325,249,039.06/404,178.53
  6. Step 6: Final answer
    x = 307,599.84

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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.