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Finding the Fourth Proportional to 522,754.71, 784,234.13 and 167,741.43

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Solution

The fourth proportional to 522,754.71, 784,234.13 and 167,741.43 is: 251,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,754.71 : 784,234.13 = 167,741.43 : x
  2. Step 2: Convert to fraction form
    522,754.71/784,234.13 = 167,741.43/x
  3. Step 3: Cross multiply
    522,754.71x = 784,234.13 × 167,741.43
  4. Step 4: Simplify right side
    522,754.71x = 131,548,553,582.30
  5. Step 5: Solve for x
    x = 131,548,553,582.30/522,754.71
  6. Step 6: Final answer
    x = 251,644.89

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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.