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Finding the Fourth Proportional to 361,872.92, 543,657.56 and 341,423.33

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Solution

The fourth proportional to 361,872.92, 543,657.56 and 341,423.33 is: 512,935.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,872.92 : 543,657.56 = 341,423.33 : x
  2. Step 2: Convert to fraction form
    361,872.92/543,657.56 = 341,423.33/x
  3. Step 3: Cross multiply
    361,872.92x = 543,657.56 × 341,423.33
  4. Step 4: Simplify right side
    361,872.92x = 185,617,370,089.47
  5. Step 5: Solve for x
    x = 185,617,370,089.47/361,872.92
  6. Step 6: Final answer
    x = 512,935.23

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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.