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Finding the Fourth Proportional to 482,131.20, 665,337.36 and 264,337.32

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Solution

The fourth proportional to 482,131.20, 665,337.36 and 264,337.32 is: 364,783.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,131.20 : 665,337.36 = 264,337.32 : x
  2. Step 2: Convert to fraction form
    482,131.20/665,337.36 = 264,337.32/x
  3. Step 3: Cross multiply
    482,131.20x = 665,337.36 × 264,337.32
  4. Step 4: Simplify right side
    482,131.20x = 175,873,494,638.28
  5. Step 5: Solve for x
    x = 175,873,494,638.28/482,131.20
  6. Step 6: Final answer
    x = 364,783.48

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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.