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Finding the Fourth Proportional to 275,573.67, 413,362.74 and 75,905.07

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Solution

The fourth proportional to 275,573.67, 413,362.74 and 75,905.07 is: 113,858.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,573.67 : 413,362.74 = 75,905.07 : x
  2. Step 2: Convert to fraction form
    275,573.67/413,362.74 = 75,905.07/x
  3. Step 3: Cross multiply
    275,573.67x = 413,362.74 × 75,905.07
  4. Step 4: Simplify right side
    275,573.67x = 31,376,327,715.09
  5. Step 5: Solve for x
    x = 31,376,327,715.09/275,573.67
  6. Step 6: Final answer
    x = 113,858.22

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1.5x scale

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.