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Finding the Fourth Proportional to 538,611.80, 806,751.30 and 468,627.80

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Solution

The fourth proportional to 538,611.80, 806,751.30 and 468,627.80 is: 701,926.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,611.80 : 806,751.30 = 468,627.80 : x
  2. Step 2: Convert to fraction form
    538,611.80/806,751.30 = 468,627.80/x
  3. Step 3: Cross multiply
    538,611.80x = 806,751.30 × 468,627.80
  4. Step 4: Simplify right side
    538,611.80x = 378,066,086,866.14
  5. Step 5: Solve for x
    x = 378,066,086,866.14/538,611.80
  6. Step 6: Final answer
    x = 701,926.86

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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.