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Finding the Fourth Proportional to 341,621.70, 512,578.35 and 164,037.30

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Solution

The fourth proportional to 341,621.70, 512,578.35 and 164,037.30 is: 246,125.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,621.70 : 512,578.35 = 164,037.30 : x
  2. Step 2: Convert to fraction form
    341,621.70/512,578.35 = 164,037.30/x
  3. Step 3: Cross multiply
    341,621.70x = 512,578.35 × 164,037.30
  4. Step 4: Simplify right side
    341,621.70x = 84,081,968,572.46
  5. Step 5: Solve for x
    x = 84,081,968,572.46/341,621.70
  6. Step 6: Final answer
    x = 246,125.96

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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.