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Finding the Fourth Proportional to 483,614.40, 724,903.20 and 183,979.20

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Solution

The fourth proportional to 483,614.40, 724,903.20 and 183,979.20 is: 275,771.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,614.40 : 724,903.20 = 183,979.20 : x
  2. Step 2: Convert to fraction form
    483,614.40/724,903.20 = 183,979.20/x
  3. Step 3: Cross multiply
    483,614.40x = 724,903.20 × 183,979.20
  4. Step 4: Simplify right side
    483,614.40x = 133,367,110,813.44
  5. Step 5: Solve for x
    x = 133,367,110,813.44/483,614.40
  6. Step 6: Final answer
    x = 275,771.59

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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.