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Finding the Fourth Proportional to 367,581.60, 550,643.40 and 323,744.40

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Solution

The fourth proportional to 367,581.60, 550,643.40 and 323,744.40 is: 484,974.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,581.60 : 550,643.40 = 323,744.40 : x
  2. Step 2: Convert to fraction form
    367,581.60/550,643.40 = 323,744.40/x
  3. Step 3: Cross multiply
    367,581.60x = 550,643.40 × 323,744.40
  4. Step 4: Simplify right side
    367,581.60x = 178,267,717,146.96
  5. Step 5: Solve for x
    x = 178,267,717,146.96/367,581.60
  6. Step 6: Final answer
    x = 484,974.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.