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Finding the Fourth Proportional to 443,977.74, 665,855.76 and 174,160.72

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Solution

The fourth proportional to 443,977.74, 665,855.76 and 174,160.72 is: 261,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,977.74 : 665,855.76 = 174,160.72 : x
  2. Step 2: Convert to fraction form
    443,977.74/665,855.76 = 174,160.72/x
  3. Step 3: Cross multiply
    443,977.74x = 665,855.76 × 174,160.72
  4. Step 4: Simplify right side
    443,977.74x = 115,965,918,577.75
  5. Step 5: Solve for x
    x = 115,965,918,577.75/443,977.74
  6. Step 6: Final answer
    x = 261,197.60

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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.