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Finding the Fourth Proportional to 512,181.24, 766,412.64 and 370,310.55

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Solution

The fourth proportional to 512,181.24, 766,412.64 and 370,310.55 is: 554,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,181.24 : 766,412.64 = 370,310.55 : x
  2. Step 2: Convert to fraction form
    512,181.24/766,412.64 = 370,310.55/x
  3. Step 3: Cross multiply
    512,181.24x = 766,412.64 × 370,310.55
  4. Step 4: Simplify right side
    512,181.24x = 283,810,686,245.35
  5. Step 5: Solve for x
    x = 283,810,686,245.35/512,181.24
  6. Step 6: Final answer
    x = 554,121.60

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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.