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Finding the Fourth Proportional to 543,951.06, 815,926.43 and 169,974.06

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Solution

The fourth proportional to 543,951.06, 815,926.43 and 169,974.06 is: 254,961.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,951.06 : 815,926.43 = 169,974.06 : x
  2. Step 2: Convert to fraction form
    543,951.06/815,926.43 = 169,974.06/x
  3. Step 3: Cross multiply
    543,951.06x = 815,926.43 × 169,974.06
  4. Step 4: Simplify right side
    543,951.06x = 138,686,328,393.34
  5. Step 5: Solve for x
    x = 138,686,328,393.34/543,951.06
  6. Step 6: Final answer
    x = 254,961.04

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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.