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Finding the Fourth Proportional to 504,727.48, 757,061.52 and 189,157.96

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Solution

The fourth proportional to 504,727.48, 757,061.52 and 189,157.96 is: 283,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,727.48 : 757,061.52 = 189,157.96 : x
  2. Step 2: Convert to fraction form
    504,727.48/757,061.52 = 189,157.96/x
  3. Step 3: Cross multiply
    504,727.48x = 757,061.52 × 189,157.96
  4. Step 4: Simplify right side
    504,727.48x = 143,204,212,717.70
  5. Step 5: Solve for x
    x = 143,204,212,717.70/504,727.48
  6. Step 6: Final answer
    x = 283,725.81

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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.