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Finding the Fourth Proportional to 432,786.92, 597,320.11 and 251,603.94

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Solution

The fourth proportional to 432,786.92, 597,320.11 and 251,603.94 is: 347,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,786.92 : 597,320.11 = 251,603.94 : x
  2. Step 2: Convert to fraction form
    432,786.92/597,320.11 = 251,603.94/x
  3. Step 3: Cross multiply
    432,786.92x = 597,320.11 × 251,603.94
  4. Step 4: Simplify right side
    432,786.92x = 150,288,095,671.69
  5. Step 5: Solve for x
    x = 150,288,095,671.69/432,786.92
  6. Step 6: Final answer
    x = 347,256.56

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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.