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Finding the Fourth Proportional to 556,993.62, 835,489.88 and 197,427.88

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Solution

The fourth proportional to 556,993.62, 835,489.88 and 197,427.88 is: 296,141.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,993.62 : 835,489.88 = 197,427.88 : x
  2. Step 2: Convert to fraction form
    556,993.62/835,489.88 = 197,427.88/x
  3. Step 3: Cross multiply
    556,993.62x = 835,489.88 × 197,427.88
  4. Step 4: Simplify right side
    556,993.62x = 164,948,995,769.85
  5. Step 5: Solve for x
    x = 164,948,995,769.85/556,993.62
  6. Step 6: Final answer
    x = 296,141.63

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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.