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Finding the Fourth Proportional to 341,620.70, 512,576.85 and 164,036.30

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Solution

The fourth proportional to 341,620.70, 512,576.85 and 164,036.30 is: 246,124.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,620.70 : 512,576.85 = 164,036.30 : x
  2. Step 2: Convert to fraction form
    341,620.70/512,576.85 = 164,036.30/x
  3. Step 3: Cross multiply
    341,620.70x = 512,576.85 × 164,036.30
  4. Step 4: Simplify right side
    341,620.70x = 84,081,209,939.66
  5. Step 5: Solve for x
    x = 84,081,209,939.66/341,620.70
  6. Step 6: Final answer
    x = 246,124.46

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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.