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Finding the Fourth Proportional to 543,980.25, 751,145.96 and 453,808.88

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Solution

The fourth proportional to 543,980.25, 751,145.96 and 453,808.88 is: 626,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,980.25 : 751,145.96 = 453,808.88 : x
  2. Step 2: Convert to fraction form
    543,980.25/751,145.96 = 453,808.88/x
  3. Step 3: Cross multiply
    543,980.25x = 751,145.96 × 453,808.88
  4. Step 4: Simplify right side
    543,980.25x = 340,876,700,799.35
  5. Step 5: Solve for x
    x = 340,876,700,799.35/543,980.25
  6. Step 6: Final answer
    x = 626,634.33

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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.