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Finding the Fourth Proportional to 355,675.26, 490,824.95 and 194,529.81

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Solution

The fourth proportional to 355,675.26, 490,824.95 and 194,529.81 is: 268,447.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,675.26 : 490,824.95 = 194,529.81 : x
  2. Step 2: Convert to fraction form
    355,675.26/490,824.95 = 194,529.81/x
  3. Step 3: Cross multiply
    355,675.26x = 490,824.95 × 194,529.81
  4. Step 4: Simplify right side
    355,675.26x = 95,480,083,294.11
  5. Step 5: Solve for x
    x = 95,480,083,294.11/355,675.26
  6. Step 6: Final answer
    x = 268,447.36

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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.