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Finding the Fourth Proportional to 479,177.88, 718,682.52 and 175,509.30

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Solution

The fourth proportional to 479,177.88, 718,682.52 and 175,509.30 is: 263,233.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,177.88 : 718,682.52 = 175,509.30 : x
  2. Step 2: Convert to fraction form
    479,177.88/718,682.52 = 175,509.30/x
  3. Step 3: Cross multiply
    479,177.88x = 718,682.52 × 175,509.30
  4. Step 4: Simplify right side
    479,177.88x = 126,135,466,007.44
  5. Step 5: Solve for x
    x = 126,135,466,007.44/479,177.88
  6. Step 6: Final answer
    x = 263,233.07

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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.