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Finding the Fourth Proportional to 429,978.85, 593,357.73 and 246,211.45

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Solution

The fourth proportional to 429,978.85, 593,357.73 and 246,211.45 is: 339,764.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,978.85 : 593,357.73 = 246,211.45 : x
  2. Step 2: Convert to fraction form
    429,978.85/593,357.73 = 246,211.45/x
  3. Step 3: Cross multiply
    429,978.85x = 593,357.73 × 246,211.45
  4. Step 4: Simplify right side
    429,978.85x = 146,091,467,072.01
  5. Step 5: Solve for x
    x = 146,091,467,072.01/429,978.85
  6. Step 6: Final answer
    x = 339,764.31

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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.