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Finding the Fourth Proportional to 543,953.06, 815,929.43 and 169,976.06

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Solution

The fourth proportional to 543,953.06, 815,929.43 and 169,976.06 is: 254,964.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,953.06 : 815,929.43 = 169,976.06 : x
  2. Step 2: Convert to fraction form
    543,953.06/815,929.43 = 169,976.06/x
  3. Step 3: Cross multiply
    543,953.06x = 815,929.43 × 169,976.06
  4. Step 4: Simplify right side
    543,953.06x = 138,688,469,749.45
  5. Step 5: Solve for x
    x = 138,688,469,749.45/543,953.06
  6. Step 6: Final answer
    x = 254,964.04

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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.