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Finding the Fourth Proportional to 404,156.96, 557,768.40 and 222,885.44

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Solution

The fourth proportional to 404,156.96, 557,768.40 and 222,885.44 is: 307,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,156.96 : 557,768.40 = 222,885.44 : x
  2. Step 2: Convert to fraction form
    404,156.96/557,768.40 = 222,885.44/x
  3. Step 3: Cross multiply
    404,156.96x = 557,768.40 × 222,885.44
  4. Step 4: Simplify right side
    404,156.96x = 124,318,455,252.10
  5. Step 5: Solve for x
    x = 124,318,455,252.10/404,156.96
  6. Step 6: Final answer
    x = 307,599.44

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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.