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Finding the Fourth Proportional to 538,568.80, 807,873.70 and 201,573.97

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Solution

The fourth proportional to 538,568.80, 807,873.70 and 201,573.97 is: 302,368.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,568.80 : 807,873.70 = 201,573.97 : x
  2. Step 2: Convert to fraction form
    538,568.80/807,873.70 = 201,573.97/x
  3. Step 3: Cross multiply
    538,568.80x = 807,873.70 × 201,573.97
  4. Step 4: Simplify right side
    538,568.80x = 162,846,306,821.92
  5. Step 5: Solve for x
    x = 162,846,306,821.92/538,568.80
  6. Step 6: Final answer
    x = 302,368.63

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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.