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Finding the Fourth Proportional to 503,086.53, 754,920.44 and 266,429.24

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Solution

The fourth proportional to 503,086.53, 754,920.44 and 266,429.24 is: 399,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,086.53 : 754,920.44 = 266,429.24 : x
  2. Step 2: Convert to fraction form
    503,086.53/754,920.44 = 266,429.24/x
  3. Step 3: Cross multiply
    503,086.53x = 754,920.44 × 266,429.24
  4. Step 4: Simplify right side
    503,086.53x = 201,132,873,982.92
  5. Step 5: Solve for x
    x = 201,132,873,982.92/503,086.53
  6. Step 6: Final answer
    x = 399,797.77

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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.