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Finding the Fourth Proportional to 384,606.54, 576,910.20 and 100,296.87

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Solution

The fourth proportional to 384,606.54, 576,910.20 and 100,296.87 is: 150,445.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,606.54 : 576,910.20 = 100,296.87 : x
  2. Step 2: Convert to fraction form
    384,606.54/576,910.20 = 100,296.87/x
  3. Step 3: Cross multiply
    384,606.54x = 576,910.20 × 100,296.87
  4. Step 4: Simplify right side
    384,606.54x = 57,862,287,331.07
  5. Step 5: Solve for x
    x = 57,862,287,331.07/384,606.54
  6. Step 6: Final answer
    x = 150,445.41

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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.