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Finding the Fourth Proportional to 637,496.28, 956,419.05 and 188,217

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Solution

The fourth proportional to 637,496.28, 956,419.05 and 188,217 is: 282,377.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,496.28 : 956,419.05 = 188,217 : x
  2. Step 2: Convert to fraction form
    637,496.28/956,419.05 = 188,217/x
  3. Step 3: Cross multiply
    637,496.28x = 956,419.05 × 188,217
  4. Step 4: Simplify right side
    637,496.28x = 180,014,324,333.85
  5. Step 5: Solve for x
    x = 180,014,324,333.85/637,496.28
  6. Step 6: Final answer
    x = 282,377.06

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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.