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Finding the Fourth Proportional to 433,663.35, 650,120.79 and 208,714.29

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Solution

The fourth proportional to 433,663.35, 650,120.79 and 208,714.29 is: 312,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,663.35 : 650,120.79 = 208,714.29 : x
  2. Step 2: Convert to fraction form
    433,663.35/650,120.79 = 208,714.29/x
  3. Step 3: Cross multiply
    433,663.35x = 650,120.79 × 208,714.29
  4. Step 4: Simplify right side
    433,663.35x = 135,689,499,099.09
  5. Step 5: Solve for x
    x = 135,689,499,099.09/433,663.35
  6. Step 6: Final answer
    x = 312,891.32

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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.