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Finding the Fourth Proportional to 355,174.40, 532,761.60 and 197,327.36

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Solution

The fourth proportional to 355,174.40, 532,761.60 and 197,327.36 is: 295,991.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,174.40 : 532,761.60 = 197,327.36 : x
  2. Step 2: Convert to fraction form
    355,174.40/532,761.60 = 197,327.36/x
  3. Step 3: Cross multiply
    355,174.40x = 532,761.60 × 197,327.36
  4. Step 4: Simplify right side
    355,174.40x = 105,128,440,037.38
  5. Step 5: Solve for x
    x = 105,128,440,037.38/355,174.40
  6. Step 6: Final answer
    x = 295,991.04

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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.