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Finding the Fourth Proportional to 237,640.72, 355,575.21 and 234,983.38

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Solution

The fourth proportional to 237,640.72, 355,575.21 and 234,983.38 is: 351,599.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,640.72 : 355,575.21 = 234,983.38 : x
  2. Step 2: Convert to fraction form
    237,640.72/355,575.21 = 234,983.38/x
  3. Step 3: Cross multiply
    237,640.72x = 355,575.21 × 234,983.38
  4. Step 4: Simplify right side
    237,640.72x = 83,554,264,690.01
  5. Step 5: Solve for x
    x = 83,554,264,690.01/237,640.72
  6. Step 6: Final answer
    x = 351,599.11

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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.