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Finding the Fourth Proportional to 530,982.54, 732,753.09 and 289,264.56

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Solution

The fourth proportional to 530,982.54, 732,753.09 and 289,264.56 is: 399,183.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,982.54 : 732,753.09 = 289,264.56 : x
  2. Step 2: Convert to fraction form
    530,982.54/732,753.09 = 289,264.56/x
  3. Step 3: Cross multiply
    530,982.54x = 732,753.09 × 289,264.56
  4. Step 4: Simplify right side
    530,982.54x = 211,959,500,167.49
  5. Step 5: Solve for x
    x = 211,959,500,167.49/530,982.54
  6. Step 6: Final answer
    x = 399,183.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.