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Finding the Fourth Proportional to 347,568, 479,643.84 and 188,592

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Solution

The fourth proportional to 347,568, 479,643.84 and 188,592 is: 260,256.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,568 : 479,643.84 = 188,592 : x
  2. Step 2: Convert to fraction form
    347,568/479,643.84 = 188,592/x
  3. Step 3: Cross multiply
    347,568x = 479,643.84 × 188,592
  4. Step 4: Simplify right side
    347,568x = 90,456,991,073.28
  5. Step 5: Solve for x
    x = 90,456,991,073.28/347,568
  6. Step 6: Final answer
    x = 260,256.96

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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.