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Finding the Fourth Proportional to 319,227.89, 440,537.89 and 175,993.05

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Solution

The fourth proportional to 319,227.89, 440,537.89 and 175,993.05 is: 242,872.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,227.89 : 440,537.89 = 175,993.05 : x
  2. Step 2: Convert to fraction form
    319,227.89/440,537.89 = 175,993.05/x
  3. Step 3: Cross multiply
    319,227.89x = 440,537.89 × 175,993.05
  4. Step 4: Simplify right side
    319,227.89x = 77,531,608,443.69
  5. Step 5: Solve for x
    x = 77,531,608,443.69/319,227.89
  6. Step 6: Final answer
    x = 242,872.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.