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Finding the Fourth Proportional to 328,257.46, 452,995.38 and 177,354.46

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Solution

The fourth proportional to 328,257.46, 452,995.38 and 177,354.46 is: 244,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,257.46 : 452,995.38 = 177,354.46 : x
  2. Step 2: Convert to fraction form
    328,257.46/452,995.38 = 177,354.46/x
  3. Step 3: Cross multiply
    328,257.46x = 452,995.38 × 177,354.46
  4. Step 4: Simplify right side
    328,257.46x = 80,340,751,002.39
  5. Step 5: Solve for x
    x = 80,340,751,002.39/328,257.46
  6. Step 6: Final answer
    x = 244,749.20

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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.