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Finding the Fourth Proportional to 483,717.40, 725,057.70 and 184,082.20

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Solution

The fourth proportional to 483,717.40, 725,057.70 and 184,082.20 is: 275,926.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,717.40 : 725,057.70 = 184,082.20 : x
  2. Step 2: Convert to fraction form
    483,717.40/725,057.70 = 184,082.20/x
  3. Step 3: Cross multiply
    483,717.40x = 725,057.70 × 184,082.20
  4. Step 4: Simplify right side
    483,717.40x = 133,470,216,542.94
  5. Step 5: Solve for x
    x = 133,470,216,542.94/483,717.40
  6. Step 6: Final answer
    x = 275,926.02

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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.