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Finding the Fourth Proportional to 443,176.56, 664,910.64 and 176,790.24

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Solution

The fourth proportional to 443,176.56, 664,910.64 and 176,790.24 is: 265,243.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,176.56 : 664,910.64 = 176,790.24 : x
  2. Step 2: Convert to fraction form
    443,176.56/664,910.64 = 176,790.24/x
  3. Step 3: Cross multiply
    443,176.56x = 664,910.64 × 176,790.24
  4. Step 4: Simplify right side
    443,176.56x = 117,549,711,624.15
  5. Step 5: Solve for x
    x = 117,549,711,624.15/443,176.56
  6. Step 6: Final answer
    x = 265,243.52

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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.