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Finding the Fourth Proportional to 591,757.48, 887,548.74 and 217,693

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Solution

The fourth proportional to 591,757.48, 887,548.74 and 217,693 is: 326,507.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,757.48 : 887,548.74 = 217,693 : x
  2. Step 2: Convert to fraction form
    591,757.48/887,548.74 = 217,693/x
  3. Step 3: Cross multiply
    591,757.48x = 887,548.74 × 217,693
  4. Step 4: Simplify right side
    591,757.48x = 193,213,147,856.82
  5. Step 5: Solve for x
    x = 193,213,147,856.82/591,757.48
  6. Step 6: Final answer
    x = 326,507.32

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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.