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Finding the Fourth Proportional to 432,616.92, 597,007.92 and 251,434.89

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Solution

The fourth proportional to 432,616.92, 597,007.92 and 251,434.89 is: 346,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,616.92 : 597,007.92 = 251,434.89 : x
  2. Step 2: Convert to fraction form
    432,616.92/597,007.92 = 251,434.89/x
  3. Step 3: Cross multiply
    432,616.92x = 597,007.92 × 251,434.89
  4. Step 4: Simplify right side
    432,616.92x = 150,108,620,694.33
  5. Step 5: Solve for x
    x = 150,108,620,694.33/432,616.92
  6. Step 6: Final answer
    x = 346,978.15

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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.