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Finding the Fourth Proportional to 341,908.60, 512,858.10 and 154,919.80

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Solution

The fourth proportional to 341,908.60, 512,858.10 and 154,919.80 is: 232,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,908.60 : 512,858.10 = 154,919.80 : x
  2. Step 2: Convert to fraction form
    341,908.60/512,858.10 = 154,919.80/x
  3. Step 3: Cross multiply
    341,908.60x = 512,858.10 × 154,919.80
  4. Step 4: Simplify right side
    341,908.60x = 79,451,874,280.38
  5. Step 5: Solve for x
    x = 79,451,874,280.38/341,908.60
  6. Step 6: Final answer
    x = 232,377.53

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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.