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Finding the Fourth Proportional to 518,536.04, 777,789.48 and 283,367.96

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Solution

The fourth proportional to 518,536.04, 777,789.48 and 283,367.96 is: 425,043.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,536.04 : 777,789.48 = 283,367.96 : x
  2. Step 2: Convert to fraction form
    518,536.04/777,789.48 = 283,367.96/x
  3. Step 3: Cross multiply
    518,536.04x = 777,789.48 × 283,367.96
  4. Step 4: Simplify right side
    518,536.04x = 220,400,618,257.06
  5. Step 5: Solve for x
    x = 220,400,618,257.06/518,536.04
  6. Step 6: Final answer
    x = 425,043.97

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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.