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Finding the Fourth Proportional to 483,233.80, 724,850.70 and 349,832.20

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Solution

The fourth proportional to 483,233.80, 724,850.70 and 349,832.20 is: 524,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,233.80 : 724,850.70 = 349,832.20 : x
  2. Step 2: Convert to fraction form
    483,233.80/724,850.70 = 349,832.20/x
  3. Step 3: Cross multiply
    483,233.80x = 724,850.70 × 349,832.20
  4. Step 4: Simplify right side
    483,233.80x = 253,576,115,052.54
  5. Step 5: Solve for x
    x = 253,576,115,052.54/483,233.80
  6. Step 6: Final answer
    x = 524,748.30

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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.