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Finding the Fourth Proportional to 436,131, 654,196.50 and 116,283.96

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Solution

The fourth proportional to 436,131, 654,196.50 and 116,283.96 is: 174,425.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,131 : 654,196.50 = 116,283.96 : x
  2. Step 2: Convert to fraction form
    436,131/654,196.50 = 116,283.96/x
  3. Step 3: Cross multiply
    436,131x = 654,196.50 × 116,283.96
  4. Step 4: Simplify right side
    436,131x = 76,072,559,638.14
  5. Step 5: Solve for x
    x = 76,072,559,638.14/436,131
  6. Step 6: Final answer
    x = 174,425.94

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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.