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Finding the Fourth Proportional to 341,285.70, 512,912.70 and 297,983.10

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Solution

The fourth proportional to 341,285.70, 512,912.70 and 297,983.10 is: 447,833.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,285.70 : 512,912.70 = 297,983.10 : x
  2. Step 2: Convert to fraction form
    341,285.70/512,912.70 = 297,983.10/x
  3. Step 3: Cross multiply
    341,285.70x = 512,912.70 × 297,983.10
  4. Step 4: Simplify right side
    341,285.70x = 152,839,316,375.37
  5. Step 5: Solve for x
    x = 152,839,316,375.37/341,285.70
  6. Step 6: Final answer
    x = 447,833.93

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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.