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Finding the Fourth Proportional to 433,537.52, 649,764.63 and 208,856.07

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Solution

The fourth proportional to 433,537.52, 649,764.63 and 208,856.07 is: 313,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,537.52 : 649,764.63 = 208,856.07 : x
  2. Step 2: Convert to fraction form
    433,537.52/649,764.63 = 208,856.07/x
  3. Step 3: Cross multiply
    433,537.52x = 649,764.63 × 208,856.07
  4. Step 4: Simplify right side
    433,537.52x = 135,707,287,046.80
  5. Step 5: Solve for x
    x = 135,707,287,046.80/433,537.52
  6. Step 6: Final answer
    x = 313,023.17

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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.