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Finding the Fourth Proportional to 429,878.44, 593,185.11 and 248,562.91

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Solution

The fourth proportional to 429,878.44, 593,185.11 and 248,562.91 is: 342,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,878.44 : 593,185.11 = 248,562.91 : x
  2. Step 2: Convert to fraction form
    429,878.44/593,185.11 = 248,562.91/x
  3. Step 3: Cross multiply
    429,878.44x = 593,185.11 × 248,562.91
  4. Step 4: Simplify right side
    429,878.44x = 147,443,816,919.64
  5. Step 5: Solve for x
    x = 147,443,816,919.64/429,878.44
  6. Step 6: Final answer
    x = 342,989.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.