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Finding the Fourth Proportional to 447,997.74, 672,094.96 and 329,309.26

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Solution

The fourth proportional to 447,997.74, 672,094.96 and 329,309.26 is: 494,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,997.74 : 672,094.96 = 329,309.26 : x
  2. Step 2: Convert to fraction form
    447,997.74/672,094.96 = 329,309.26/x
  3. Step 3: Cross multiply
    447,997.74x = 672,094.96 × 329,309.26
  4. Step 4: Simplify right side
    447,997.74x = 221,327,093,927.33
  5. Step 5: Solve for x
    x = 221,327,093,927.33/447,997.74
  6. Step 6: Final answer
    x = 494,036.18

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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.