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Finding the Fourth Proportional to 624,542.50, 936,839.67 and 181,310.50

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Solution

The fourth proportional to 624,542.50, 936,839.67 and 181,310.50 is: 271,973.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,542.50 : 936,839.67 = 181,310.50 : x
  2. Step 2: Convert to fraction form
    624,542.50/936,839.67 = 181,310.50/x
  3. Step 3: Cross multiply
    624,542.50x = 936,839.67 × 181,310.50
  4. Step 4: Simplify right side
    624,542.50x = 169,858,868,987.54
  5. Step 5: Solve for x
    x = 169,858,868,987.54/624,542.50
  6. Step 6: Final answer
    x = 271,973.27

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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.