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Finding the Fourth Proportional to 522,803.08, 784,130.50 and 167,771.17

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Solution

The fourth proportional to 522,803.08, 784,130.50 and 167,771.17 is: 251,632.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,803.08 : 784,130.50 = 167,771.17 : x
  2. Step 2: Convert to fraction form
    522,803.08/784,130.50 = 167,771.17/x
  3. Step 3: Cross multiply
    522,803.08x = 784,130.50 × 167,771.17
  4. Step 4: Simplify right side
    522,803.08x = 131,554,491,417.69
  5. Step 5: Solve for x
    x = 131,554,491,417.69/522,803.08
  6. Step 6: Final answer
    x = 251,632.97

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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.