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Finding the Fourth Proportional to 323,097.67, 445,884.21 and 177,918.46

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Solution

The fourth proportional to 323,097.67, 445,884.21 and 177,918.46 is: 245,532.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,097.67 : 445,884.21 = 177,918.46 : x
  2. Step 2: Convert to fraction form
    323,097.67/445,884.21 = 177,918.46/x
  3. Step 3: Cross multiply
    323,097.67x = 445,884.21 × 177,918.46
  4. Step 4: Simplify right side
    323,097.67x = 79,331,031,981.52
  5. Step 5: Solve for x
    x = 79,331,031,981.52/323,097.67
  6. Step 6: Final answer
    x = 245,532.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.