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Finding the Fourth Proportional to 504,705.06, 756,836.01 and 188,940.51

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Solution

The fourth proportional to 504,705.06, 756,836.01 and 188,940.51 is: 283,327.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,705.06 : 756,836.01 = 188,940.51 : x
  2. Step 2: Convert to fraction form
    504,705.06/756,836.01 = 188,940.51/x
  3. Step 3: Cross multiply
    504,705.06x = 756,836.01 × 188,940.51
  4. Step 4: Simplify right side
    504,705.06x = 142,996,981,715.77
  5. Step 5: Solve for x
    x = 142,996,981,715.77/504,705.06
  6. Step 6: Final answer
    x = 283,327.81

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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.