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Finding the Fourth Proportional to 528,496.38, 792,644.91 and 149,414.10

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Solution

The fourth proportional to 528,496.38, 792,644.91 and 149,414.10 is: 224,092.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,496.38 : 792,644.91 = 149,414.10 : x
  2. Step 2: Convert to fraction form
    528,496.38/792,644.91 = 149,414.10/x
  3. Step 3: Cross multiply
    528,496.38x = 792,644.91 × 149,414.10
  4. Step 4: Simplify right side
    528,496.38x = 118,432,325,847.23
  5. Step 5: Solve for x
    x = 118,432,325,847.23/528,496.38
  6. Step 6: Final answer
    x = 224,092.97

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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.