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Finding the Fourth Proportional to 579,571.29, 868,743.35 and 194,954

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Solution

The fourth proportional to 579,571.29, 868,743.35 and 194,954 is: 292,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,571.29 : 868,743.35 = 194,954 : x
  2. Step 2: Convert to fraction form
    579,571.29/868,743.35 = 194,954/x
  3. Step 3: Cross multiply
    579,571.29x = 868,743.35 × 194,954
  4. Step 4: Simplify right side
    579,571.29x = 169,364,991,055.90
  5. Step 5: Solve for x
    x = 169,364,991,055.90/579,571.29
  6. Step 6: Final answer
    x = 292,224.60

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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.