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Finding the Fourth Proportional to 468,717.63, 703,180.85 and 258,247.23

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Solution

The fourth proportional to 468,717.63, 703,180.85 and 258,247.23 is: 387,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,717.63 : 703,180.85 = 258,247.23 : x
  2. Step 2: Convert to fraction form
    468,717.63/703,180.85 = 258,247.23/x
  3. Step 3: Cross multiply
    468,717.63x = 703,180.85 × 258,247.23
  4. Step 4: Simplify right side
    468,717.63x = 181,594,505,410.31
  5. Step 5: Solve for x
    x = 181,594,505,410.31/468,717.63
  6. Step 6: Final answer
    x = 387,428.37

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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.