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Finding the Fourth Proportional to 443,758.74, 665,635.68 and 177,580.86

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Solution

The fourth proportional to 443,758.74, 665,635.68 and 177,580.86 is: 266,370.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,758.74 : 665,635.68 = 177,580.86 : x
  2. Step 2: Convert to fraction form
    443,758.74/665,635.68 = 177,580.86/x
  3. Step 3: Cross multiply
    443,758.74x = 665,635.68 × 177,580.86
  4. Step 4: Simplify right side
    443,758.74x = 118,204,156,501.09
  5. Step 5: Solve for x
    x = 118,204,156,501.09/443,758.74
  6. Step 6: Final answer
    x = 266,370.32

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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.