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Finding the Fourth Proportional to 482,274.82, 723,383.07 and 215,963.83

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Solution

The fourth proportional to 482,274.82, 723,383.07 and 215,963.83 is: 323,932.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,274.82 : 723,383.07 = 215,963.83 : x
  2. Step 2: Convert to fraction form
    482,274.82/723,383.07 = 215,963.83/x
  3. Step 3: Cross multiply
    482,274.82x = 723,383.07 × 215,963.83
  4. Step 4: Simplify right side
    482,274.82x = 156,224,578,354.36
  5. Step 5: Solve for x
    x = 156,224,578,354.36/482,274.82
  6. Step 6: Final answer
    x = 323,932.69

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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.