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Finding the Fourth Proportional to 424,611.54, 637,024.23 and 158,380.74

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Solution

The fourth proportional to 424,611.54, 637,024.23 and 158,380.74 is: 237,610.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,611.54 : 637,024.23 = 158,380.74 : x
  2. Step 2: Convert to fraction form
    424,611.54/637,024.23 = 158,380.74/x
  3. Step 3: Cross multiply
    424,611.54x = 637,024.23 × 158,380.74
  4. Step 4: Simplify right side
    424,611.54x = 100,892,368,945.33
  5. Step 5: Solve for x
    x = 100,892,368,945.33/424,611.54
  6. Step 6: Final answer
    x = 237,610.99

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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.