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Finding the Fourth Proportional to 583,453.44, 874,654.92 and 209,388.96

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Solution

The fourth proportional to 583,453.44, 874,654.92 and 209,388.96 is: 313,894.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,453.44 : 874,654.92 = 209,388.96 : x
  2. Step 2: Convert to fraction form
    583,453.44/874,654.92 = 209,388.96/x
  3. Step 3: Cross multiply
    583,453.44x = 874,654.92 × 209,388.96
  4. Step 4: Simplify right side
    583,453.44x = 183,143,084,057.68
  5. Step 5: Solve for x
    x = 183,143,084,057.68/583,453.44
  6. Step 6: Final answer
    x = 313,894.94

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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.