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Finding the Fourth Proportional to 322,700.54, 445,274.35 and 179,456.90

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Solution

The fourth proportional to 322,700.54, 445,274.35 and 179,456.90 is: 247,621.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,700.54 : 445,274.35 = 179,456.90 : x
  2. Step 2: Convert to fraction form
    322,700.54/445,274.35 = 179,456.90/x
  3. Step 3: Cross multiply
    322,700.54x = 445,274.35 × 179,456.90
  4. Step 4: Simplify right side
    322,700.54x = 79,907,551,825.50
  5. Step 5: Solve for x
    x = 79,907,551,825.50/322,700.54
  6. Step 6: Final answer
    x = 247,621.38

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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.