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Finding the Fourth Proportional to 504,664.56, 696,428.37 and 275,223.69

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Solution

The fourth proportional to 504,664.56, 696,428.37 and 275,223.69 is: 379,803.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,664.56 : 696,428.37 = 275,223.69 : x
  2. Step 2: Convert to fraction form
    504,664.56/696,428.37 = 275,223.69/x
  3. Step 3: Cross multiply
    504,664.56x = 696,428.37 × 275,223.69
  4. Step 4: Simplify right side
    504,664.56x = 191,673,585,812.09
  5. Step 5: Solve for x
    x = 191,673,585,812.09/504,664.56
  6. Step 6: Final answer
    x = 379,803.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.