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Finding the Fourth Proportional to 483,270.64, 724,758 and 230,417.80

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Solution

The fourth proportional to 483,270.64, 724,758 and 230,417.80 is: 345,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,270.64 : 724,758 = 230,417.80 : x
  2. Step 2: Convert to fraction form
    483,270.64/724,758 = 230,417.80/x
  3. Step 3: Cross multiply
    483,270.64x = 724,758 × 230,417.80
  4. Step 4: Simplify right side
    483,270.64x = 166,997,143,892.40
  5. Step 5: Solve for x
    x = 166,997,143,892.40/483,270.64
  6. Step 6: Final answer
    x = 345,556.15

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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.