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Finding the Fourth Proportional to 538,606.53, 807,930.24 and 201,611.70

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Solution

The fourth proportional to 538,606.53, 807,930.24 and 201,611.70 is: 302,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,606.53 : 807,930.24 = 201,611.70 : x
  2. Step 2: Convert to fraction form
    538,606.53/807,930.24 = 201,611.70/x
  3. Step 3: Cross multiply
    538,606.53x = 807,930.24 × 201,611.70
  4. Step 4: Simplify right side
    538,606.53x = 162,888,189,167.81
  5. Step 5: Solve for x
    x = 162,888,189,167.81/538,606.53
  6. Step 6: Final answer
    x = 302,425.20

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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.