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Finding the Fourth Proportional to 492,988.26, 739,564.10 and 173,057.13

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Solution

The fourth proportional to 492,988.26, 739,564.10 and 173,057.13 is: 259,614.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,988.26 : 739,564.10 = 173,057.13 : x
  2. Step 2: Convert to fraction form
    492,988.26/739,564.10 = 173,057.13/x
  3. Step 3: Cross multiply
    492,988.26x = 739,564.10 × 173,057.13
  4. Step 4: Simplify right side
    492,988.26x = 127,986,839,731.75
  5. Step 5: Solve for x
    x = 127,986,839,731.75/492,988.26
  6. Step 6: Final answer
    x = 259,614.38

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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.