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Finding the Fourth Proportional to 401,113.44, 553,519.44 and 239,873.04

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Solution

The fourth proportional to 401,113.44, 553,519.44 and 239,873.04 is: 331,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,113.44 : 553,519.44 = 239,873.04 : x
  2. Step 2: Convert to fraction form
    401,113.44/553,519.44 = 239,873.04/x
  3. Step 3: Cross multiply
    401,113.44x = 553,519.44 × 239,873.04
  4. Step 4: Simplify right side
    401,113.44x = 132,774,390,771.90
  5. Step 5: Solve for x
    x = 132,774,390,771.90/401,113.44
  6. Step 6: Final answer
    x = 331,014.56

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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.