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Finding the Fourth Proportional to 483,007.12, 724,513.17 and 283,187.37

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Solution

The fourth proportional to 483,007.12, 724,513.17 and 283,187.37 is: 424,782.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,007.12 : 724,513.17 = 283,187.37 : x
  2. Step 2: Convert to fraction form
    483,007.12/724,513.17 = 283,187.37/x
  3. Step 3: Cross multiply
    483,007.12x = 724,513.17 × 283,187.37
  4. Step 4: Simplify right side
    483,007.12x = 205,172,982,921.54
  5. Step 5: Solve for x
    x = 205,172,982,921.54/483,007.12
  6. Step 6: Final answer
    x = 424,782.52

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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.