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Finding the Fourth Proportional to 560,619.73, 840,900.20 and 161,244.82

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Solution

The fourth proportional to 560,619.73, 840,900.20 and 161,244.82 is: 241,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,619.73 : 840,900.20 = 161,244.82 : x
  2. Step 2: Convert to fraction form
    560,619.73/840,900.20 = 161,244.82/x
  3. Step 3: Cross multiply
    560,619.73x = 840,900.20 × 161,244.82
  4. Step 4: Simplify right side
    560,619.73x = 135,590,801,386.96
  5. Step 5: Solve for x
    x = 135,590,801,386.96/560,619.73
  6. Step 6: Final answer
    x = 241,858.78

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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.