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Finding the Fourth Proportional to 415,501.44, 622,710.46 and 187,627.38

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Solution

The fourth proportional to 415,501.44, 622,710.46 and 187,627.38 is: 281,196.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,501.44 : 622,710.46 = 187,627.38 : x
  2. Step 2: Convert to fraction form
    415,501.44/622,710.46 = 187,627.38/x
  3. Step 3: Cross multiply
    415,501.44x = 622,710.46 × 187,627.38
  4. Step 4: Simplify right side
    415,501.44x = 116,837,532,108.40
  5. Step 5: Solve for x
    x = 116,837,532,108.40/415,501.44
  6. Step 6: Final answer
    x = 281,196.46

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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.