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Finding the Fourth Proportional to 456,349.60, 629,786.04 and 262,786.04

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Solution

The fourth proportional to 456,349.60, 629,786.04 and 262,786.04 is: 362,658.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,349.60 : 629,786.04 = 262,786.04 : x
  2. Step 2: Convert to fraction form
    456,349.60/629,786.04 = 262,786.04/x
  3. Step 3: Cross multiply
    456,349.60x = 629,786.04 × 262,786.04
  4. Step 4: Simplify right side
    456,349.60x = 165,498,979,498.88
  5. Step 5: Solve for x
    x = 165,498,979,498.88/456,349.60
  6. Step 6: Final answer
    x = 362,658.32

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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.