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Finding the Fourth Proportional to 384,631.76, 577,245.24 and 251,475.92

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Solution

The fourth proportional to 384,631.76, 577,245.24 and 251,475.92 is: 377,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,631.76 : 577,245.24 = 251,475.92 : x
  2. Step 2: Convert to fraction form
    384,631.76/577,245.24 = 251,475.92/x
  3. Step 3: Cross multiply
    384,631.76x = 577,245.24 × 251,475.92
  4. Step 4: Simplify right side
    384,631.76x = 145,163,277,794.62
  5. Step 5: Solve for x
    x = 145,163,277,794.62/384,631.76
  6. Step 6: Final answer
    x = 377,408.45

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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.