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Finding the Fourth Proportional to 443,815.95, 665,709.35 and 177,504.96

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Solution

The fourth proportional to 443,815.95, 665,709.35 and 177,504.96 is: 266,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,815.95 : 665,709.35 = 177,504.96 : x
  2. Step 2: Convert to fraction form
    443,815.95/665,709.35 = 177,504.96/x
  3. Step 3: Cross multiply
    443,815.95x = 665,709.35 × 177,504.96
  4. Step 4: Simplify right side
    443,815.95x = 118,166,710,655.85
  5. Step 5: Solve for x
    x = 118,166,710,655.85/443,815.95
  6. Step 6: Final answer
    x = 266,251.61

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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.