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Finding the Fourth Proportional to 556,568.68, 834,850.14 and 135,846.76

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Solution

The fourth proportional to 556,568.68, 834,850.14 and 135,846.76 is: 203,769.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,568.68 : 834,850.14 = 135,846.76 : x
  2. Step 2: Convert to fraction form
    556,568.68/834,850.14 = 135,846.76/x
  3. Step 3: Cross multiply
    556,568.68x = 834,850.14 × 135,846.76
  4. Step 4: Simplify right side
    556,568.68x = 113,411,686,604.55
  5. Step 5: Solve for x
    x = 113,411,686,604.55/556,568.68
  6. Step 6: Final answer
    x = 203,769.44

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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.