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Finding the Fourth Proportional to 494,233.29, 740,298.69 and 291,611.03

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Solution

The fourth proportional to 494,233.29, 740,298.69 and 291,611.03 is: 436,796.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,233.29 : 740,298.69 = 291,611.03 : x
  2. Step 2: Convert to fraction form
    494,233.29/740,298.69 = 291,611.03/x
  3. Step 3: Cross multiply
    494,233.29x = 740,298.69 × 291,611.03
  4. Step 4: Simplify right side
    494,233.29x = 215,879,259,797.06
  5. Step 5: Solve for x
    x = 215,879,259,797.06/494,233.29
  6. Step 6: Final answer
    x = 436,796.27

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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.