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Finding the Fourth Proportional to 522,796.58, 784,120.74 and 167,764.70

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Solution

The fourth proportional to 522,796.58, 784,120.74 and 167,764.70 is: 251,623.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,796.58 : 784,120.74 = 167,764.70 : x
  2. Step 2: Convert to fraction form
    522,796.58/784,120.74 = 167,764.70/x
  3. Step 3: Cross multiply
    522,796.58x = 784,120.74 × 167,764.70
  4. Step 4: Simplify right side
    522,796.58x = 131,547,780,709.88
  5. Step 5: Solve for x
    x = 131,547,780,709.88/522,796.58
  6. Step 6: Final answer
    x = 251,623.26

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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.