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Finding the Fourth Proportional to 430,356.44, 593,890.31 and 239,369.85

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Solution

The fourth proportional to 430,356.44, 593,890.31 and 239,369.85 is: 330,329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,356.44 : 593,890.31 = 239,369.85 : x
  2. Step 2: Convert to fraction form
    430,356.44/593,890.31 = 239,369.85/x
  3. Step 3: Cross multiply
    430,356.44x = 593,890.31 × 239,369.85
  4. Step 4: Simplify right side
    430,356.44x = 142,159,435,019.58
  5. Step 5: Solve for x
    x = 142,159,435,019.58/430,356.44
  6. Step 6: Final answer
    x = 330,329.52

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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.