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Finding the Fourth Proportional to 551,311.22, 760,891.83 and 336,575.96

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Solution

The fourth proportional to 551,311.22, 760,891.83 and 336,575.96 is: 464,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,311.22 : 760,891.83 = 336,575.96 : x
  2. Step 2: Convert to fraction form
    551,311.22/760,891.83 = 336,575.96/x
  3. Step 3: Cross multiply
    551,311.22x = 760,891.83 × 336,575.96
  4. Step 4: Simplify right side
    551,311.22x = 256,097,898,138.41
  5. Step 5: Solve for x
    x = 256,097,898,138.41/551,311.22
  6. Step 6: Final answer
    x = 464,525.10

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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.