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Finding the Fourth Proportional to 384,308.70, 576,463.05 and 244,686.30

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Solution

The fourth proportional to 384,308.70, 576,463.05 and 244,686.30 is: 367,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,308.70 : 576,463.05 = 244,686.30 : x
  2. Step 2: Convert to fraction form
    384,308.70/576,463.05 = 244,686.30/x
  3. Step 3: Cross multiply
    384,308.70x = 576,463.05 × 244,686.30
  4. Step 4: Simplify right side
    384,308.70x = 141,052,610,791.22
  5. Step 5: Solve for x
    x = 141,052,610,791.22/384,308.70
  6. Step 6: Final answer
    x = 367,029.45

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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.