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Finding the Fourth Proportional to 384,592.34, 576,943.17 and 118,375.04

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Solution

The fourth proportional to 384,592.34, 576,943.17 and 118,375.04 is: 177,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,592.34 : 576,943.17 = 118,375.04 : x
  2. Step 2: Convert to fraction form
    384,592.34/576,943.17 = 118,375.04/x
  3. Step 3: Cross multiply
    384,592.34x = 576,943.17 × 118,375.04
  4. Step 4: Simplify right side
    384,592.34x = 68,295,667,349.89
  5. Step 5: Solve for x
    x = 68,295,667,349.89/384,592.34
  6. Step 6: Final answer
    x = 177,579.38

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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.