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Finding the Fourth Proportional to 589,934.40, 883,589.40 and 484,958.40

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Solution

The fourth proportional to 589,934.40, 883,589.40 and 484,958.40 is: 726,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,934.40 : 883,589.40 = 484,958.40 : x
  2. Step 2: Convert to fraction form
    589,934.40/883,589.40 = 484,958.40/x
  3. Step 3: Cross multiply
    589,934.40x = 883,589.40 × 484,958.40
  4. Step 4: Simplify right side
    589,934.40x = 428,504,101,680.96
  5. Step 5: Solve for x
    x = 428,504,101,680.96/589,934.40
  6. Step 6: Final answer
    x = 726,358.90

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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.