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Finding the Fourth Proportional to 401,033.96, 553,427 and 219,744.42

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Solution

The fourth proportional to 401,033.96, 553,427 and 219,744.42 is: 303,247.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,033.96 : 553,427 = 219,744.42 : x
  2. Step 2: Convert to fraction form
    401,033.96/553,427 = 219,744.42/x
  3. Step 3: Cross multiply
    401,033.96x = 553,427 × 219,744.42
  4. Step 4: Simplify right side
    401,033.96x = 121,612,495,127.34
  5. Step 5: Solve for x
    x = 121,612,495,127.34/401,033.96
  6. Step 6: Final answer
    x = 303,247.37

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