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Finding the Fourth Proportional to 522,857.92, 784,120.79 and 167,788.90

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Solution

The fourth proportional to 522,857.92, 784,120.79 and 167,788.90 is: 251,630.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,857.92 : 784,120.79 = 167,788.90 : x
  2. Step 2: Convert to fraction form
    522,857.92/784,120.79 = 167,788.90/x
  3. Step 3: Cross multiply
    522,857.92x = 784,120.79 × 167,788.90
  4. Step 4: Simplify right side
    522,857.92x = 131,566,764,821.23
  5. Step 5: Solve for x
    x = 131,566,764,821.23/522,857.92
  6. Step 6: Final answer
    x = 251,630.05

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1.5x scale

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.