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Finding the Fourth Proportional to 341,446.65, 512,169.98 and 163,910.85

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Solution

The fourth proportional to 341,446.65, 512,169.98 and 163,910.85 is: 245,866.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,446.65 : 512,169.98 = 163,910.85 : x
  2. Step 2: Convert to fraction form
    341,446.65/512,169.98 = 163,910.85/x
  3. Step 3: Cross multiply
    341,446.65x = 512,169.98 × 163,910.85
  4. Step 4: Simplify right side
    341,446.65x = 83,950,215,946.73
  5. Step 5: Solve for x
    x = 83,950,215,946.73/341,446.65
  6. Step 6: Final answer
    x = 245,866.28

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1.5x scale

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.