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Finding the Fourth Proportional to 424,663.50, 637,093.68 and 144,180.75

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Solution

The fourth proportional to 424,663.50, 637,093.68 and 144,180.75 is: 216,304.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,663.50 : 637,093.68 = 144,180.75 : x
  2. Step 2: Convert to fraction form
    424,663.50/637,093.68 = 144,180.75/x
  3. Step 3: Cross multiply
    424,663.50x = 637,093.68 × 144,180.75
  4. Step 4: Simplify right side
    424,663.50x = 91,856,644,602.66
  5. Step 5: Solve for x
    x = 91,856,644,602.66/424,663.50
  6. Step 6: Final answer
    x = 216,304.54

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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.